10-K Filing

LGL GROUP INC CIK: 61004 FY 2024

Filing Information

Form Type	10-K
Accession Number	`0001437749-25-010246`
Period End Date	20241231
Filing Date	20250331
Fiscal Year	2024
Fiscal Period	FY
XBRL Instance	lglg20241231_10k_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 134 Income Statement 424 Cash Flow Statement 100 Stockholders Equity 40

Balance Sheet 134 line items

Line Item	Tag	Value	Unit	Period
Accounts Receivable, Allowance for Credit Loss, Current	`AllowanceForDoubtfulAccountsReceivableCurrent`	$58.00K	USD	Point-in-time
Accounts Receivable, Allowance for Credit Loss, Current	`AllowanceForDoubtfulAccountsReceivableCurrent`	$58.00K	USD	Point-in-time
Accounts Receivable, Allowance for Credit Loss, Current	`AllowanceForDoubtfulAccountsReceivableCurrent`	$52.00K	USD	Point-in-time
Accounts Receivable, Allowance for Credit Loss, Current	`AllowanceForDoubtfulAccountsReceivableCurrent`	$52.00K	USD	Point-in-time
Common Stock, Par or Stated Value Per Share (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Par or Stated Value Per Share (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$40.71M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$40.71M	USD	Point-in-time
Common Stock, Par or Stated Value Per Share (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Par or Stated Value Per Share (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$41.59M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$41.59M	USD	Point-in-time
Common Stock, Shares Authorized (in shares)	`CommonStockSharesAuthorized`	30.00M	shares	Point-in-time
Common Stock, Shares Authorized (in shares)	`CommonStockSharesAuthorized`	30.00M	shares	Point-in-time
Common Stock, Shares Authorized (in shares)	`CommonStockSharesAuthorized`	30.00M	shares	Point-in-time
Common Stock, Shares Authorized (in shares)	`CommonStockSharesAuthorized`	30.00M	shares	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$17.00K	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$17.00K	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$22.00K	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$22.00K	USD	Point-in-time
Common Stock, Shares Authorized (in shares)	`CommonStockSharesAuthorized`	30.00M	shares	Point-in-time
Common Stock, Shares Authorized (in shares)	`CommonStockSharesAuthorized`	30.00M	shares	Point-in-time
Accounts receivable, net of allowance of $52 and $58, respectively	`AccountsReceivableNetCurrent`	$493.00K	USD	Point-in-time
Accounts receivable, net of allowance of $52 and $58, respectively	`AccountsReceivableNetCurrent`	$493.00K	USD	Point-in-time
Common Stock, Shares, Issued (in shares)	`CommonStockSharesIssued`	5.45M	shares	Point-in-time
Common Stock, Shares, Issued (in shares)	`CommonStockSharesIssued`	5.45M	shares	Point-in-time
Accounts receivable, net of allowance of $52 and $58, respectively	`AccountsReceivableNetCurrent`	$356.00K	USD	Point-in-time
Accounts receivable, net of allowance of $52 and $58, respectively	`AccountsReceivableNetCurrent`	$356.00K	USD	Point-in-time
Common Stock, Shares, Issued (in shares)	`CommonStockSharesIssued`	5.45M	shares	Point-in-time
Common Stock, Shares, Issued (in shares)	`CommonStockSharesIssued`	5.45M	shares	Point-in-time
Common Stock, Shares, Outstanding (in shares)	`CommonStockSharesOutstanding`	5.37M	shares	Point-in-time
Common Stock, Shares, Outstanding (in shares)	`CommonStockSharesOutstanding`	5.37M	shares	Point-in-time
Common Stock, Shares, Outstanding (in shares)	`CommonStockSharesOutstanding`	5.37M	shares	Point-in-time
Common Stock, Shares, Outstanding (in shares)	`CommonStockSharesOutstanding`	5.37M	shares	Point-in-time
Inventories, net	`InventoryNet`	$267.00K	USD	Point-in-time
Inventories, net	`InventoryNet`	$267.00K	USD	Point-in-time
Inventories, net	`InventoryNet`	$204.00K	USD	Point-in-time
Inventories, net	`InventoryNet`	$204.00K	USD	Point-in-time
Treasury Stock, Common, Shares (in shares)	`TreasuryStockCommonShares`	81,584.00	shares	Point-in-time
Treasury Stock, Common, Shares (in shares)	`TreasuryStockCommonShares`	81,584.00	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$280.00K	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$280.00K	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$273.00K	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$273.00K	USD	Point-in-time
Treasury Stock, Common, Shares (in shares)	`TreasuryStockCommonShares`	81,584.00	shares	Point-in-time
Treasury Stock, Common, Shares (in shares)	`TreasuryStockCommonShares`	81,584.00	shares	Point-in-time
Treasury Stock, Common, Shares (in shares)	`TreasuryStockCommonShares`	81,584.00	shares	Point-in-time
Treasury Stock, Common, Shares (in shares)	`TreasuryStockCommonShares`	81,584.00	shares	Point-in-time
Total current assets	`AssetsCurrent`	$42.64M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$42.64M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$41.57M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$41.57M	USD	Point-in-time
Right-of-use lease asset	`OperatingLeaseRightOfUseAsset`	$75.00K	USD	Point-in-time
Right-of-use lease asset	`OperatingLeaseRightOfUseAsset`	$75.00K	USD	Point-in-time
Right-of-use lease asset	`OperatingLeaseRightOfUseAsset`	$308.00K	USD	Point-in-time
Right-of-use lease asset	`OperatingLeaseRightOfUseAsset`	$308.00K	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetIncludingGoodwill`	$36.00K	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetIncludingGoodwill`	$36.00K	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetIncludingGoodwill`	$57.00K	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetIncludingGoodwill`	$57.00K	USD	Point-in-time
Deferred income tax asset, net	`DeferredIncomeTaxAssetsNet`	$152.00K	USD	Point-in-time
Deferred income tax asset, net	`DeferredIncomeTaxAssetsNet`	$152.00K	USD	Point-in-time
Deferred income tax asset, net	`DeferredIncomeTaxAssetsNet`	$159.00K	USD	Point-in-time
Deferred income tax asset, net	`DeferredIncomeTaxAssetsNet`	$159.00K	USD	Point-in-time
Total assets	`Assets`	$41.85M	USD	Point-in-time
Total assets	`Assets`	$41.85M	USD	Point-in-time
Total assets	`Assets`	$43.15M	USD	Point-in-time
Total assets	`Assets`	$43.15M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$333.00K	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$333.00K	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$93.00K	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$93.00K	USD	Point-in-time
Accrued compensation and commissions expense	`EmployeeRelatedLiabilitiesCurrent`	$264.00K	USD	Point-in-time
Accrued compensation and commissions expense	`EmployeeRelatedLiabilitiesCurrent`	$264.00K	USD	Point-in-time
Accrued compensation and commissions expense	`EmployeeRelatedLiabilitiesCurrent`	$291.00K	USD	Point-in-time
Accrued compensation and commissions expense	`EmployeeRelatedLiabilitiesCurrent`	$291.00K	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$79.00K	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$79.00K	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$41.00K	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$41.00K	USD	Point-in-time
Other Accrued Liabilities, Current	`OtherAccruedLiabilitiesCurrent`	$76.00K	USD	Point-in-time
Other Accrued Liabilities, Current	`OtherAccruedLiabilitiesCurrent`	$76.00K	USD	Point-in-time
Other Accrued Liabilities, Current	`OtherAccruedLiabilitiesCurrent`	$201.00K	USD	Point-in-time
Other Accrued Liabilities, Current	`OtherAccruedLiabilitiesCurrent`	$201.00K	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$474.00K	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$474.00K	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$904.00K	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$904.00K	USD	Point-in-time
Other Liabilities, Noncurrent	`OtherLiabilitiesNoncurrent`	$694.00K	USD	Point-in-time
Other Liabilities, Noncurrent	`OtherLiabilitiesNoncurrent`	$694.00K	USD	Point-in-time
Other Liabilities, Noncurrent	`OtherLiabilitiesNoncurrent`	$1.00M	USD	Point-in-time
Other Liabilities, Noncurrent	`OtherLiabilitiesNoncurrent`	$1.00M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.91M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.91M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.17M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.17M	USD	Point-in-time
Contingencies (Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Contingencies (Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Contingencies (Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Contingencies (Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock ($0.01 par value; 30,000,000 shares authorized; 5,454,639 shares issued as of 2024 and 2023, respectively; 5,373,055 shares outstanding as of 2024 and 2023, respectively)	`CommonStockValue`	$53.00K	USD	Point-in-time
Common stock ($0.01 par value; 30,000,000 shares authorized; 5,454,639 shares issued as of 2024 and 2023, respectively; 5,373,055 shares outstanding as of 2024 and 2023, respectively)	`CommonStockValue`	$53.00K	USD	Point-in-time
Common stock ($0.01 par value; 30,000,000 shares authorized; 5,454,639 shares issued as of 2024 and 2023, respectively; 5,373,055 shares outstanding as of 2024 and 2023, respectively)	`CommonStockValue`	$53.00K	USD	Point-in-time
Common stock ($0.01 par value; 30,000,000 shares authorized; 5,454,639 shares issued as of 2024 and 2023, respectively; 5,373,055 shares outstanding as of 2024 and 2023, respectively)	`CommonStockValue`	$53.00K	USD	Point-in-time
Treasury stock, at cost (81,584 shares as of 2024 and 2023, respectively)	`TreasuryStockCommonValue`	$580.00K	USD	Point-in-time
Treasury stock, at cost (81,584 shares as of 2024 and 2023, respectively)	`TreasuryStockCommonValue`	$580.00K	USD	Point-in-time
Treasury stock, at cost (81,584 shares as of 2024 and 2023, respectively)	`TreasuryStockCommonValue`	$580.00K	USD	Point-in-time
Treasury stock, at cost (81,584 shares as of 2024 and 2023, respectively)	`TreasuryStockCommonValue`	$580.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$46.35M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$46.35M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$46.38M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$46.38M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-6.63M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-6.63M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-7.06M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-7.06M	USD	Point-in-time
Total LGL Group stockholders' equity	`StockholdersEquity`	$39.23M	USD	Point-in-time
Total LGL Group stockholders' equity	`StockholdersEquity`	$39.23M	USD	Point-in-time
Total LGL Group stockholders' equity	`StockholdersEquity`	$38.76M	USD	Point-in-time
Total LGL Group stockholders' equity	`StockholdersEquity`	$38.76M	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$2.01M	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$2.01M	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$1.92M	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$1.92M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$38.49M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$38.49M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$41.24M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$41.24M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$40.68M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$40.68M	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$41.85M	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$41.85M	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$43.15M	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$43.15M	USD	Point-in-time

Income Statement 424 line items

Line Item	Tag	Value	Unit	Period
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$446.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$446.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$653.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$653.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$531.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$531.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$403.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$403.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$441.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$441.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.73M	USD	Annual
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.73M	USD	Annual
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$392.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$392.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$438.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$438.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$2.23M	USD	Annual
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$2.23M	USD	Annual
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$650.00K	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$650.00K	USD	1 Quarter
Net investment income	`InvestmentIncomeInterestAndDividend`	$2.07M	USD	Annual
Net investment income	`InvestmentIncomeInterestAndDividend`	$2.07M	USD	Annual
Net investment income	`InvestmentIncomeInterestAndDividend`	$1.57M	USD	Annual
Net investment income	`InvestmentIncomeInterestAndDividend`	$1.57M	USD	Annual
Net (losses) gains	`GainLossOnInvestments`	$-5.00K	USD	Annual
Net (losses) gains	`GainLossOnInvestments`	$-5.00K	USD	Annual
Net (losses) gains	`GainLossOnInvestments`	$384.00K	USD	Annual
Net (losses) gains	`GainLossOnInvestments`	$384.00K	USD	Annual
Net (losses) gains	`GainLossOnInvestments`	$-1.00K	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	$-1.00K	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	$-4.00K	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	$-4.00K	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	$-2.00K	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	$-2.00K	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	$1.00K	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	$1.00K	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	-	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	-	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	$43.00K	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	$43.00K	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	$345.00K	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	$345.00K	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	$-3.00K	USD	1 Quarter
Net (losses) gains	`GainLossOnInvestments`	$-3.00K	USD	1 Quarter
Total revenues	`Revenues`	$721.00K	USD	1 Quarter
Total revenues	`Revenues`	$721.00K	USD	1 Quarter
Total revenues	`Revenues`	$1.07M	USD	1 Quarter
Total revenues	`Revenues`	$1.07M	USD	1 Quarter
Total revenues	`Revenues`	$3.68M	USD	Annual
Total revenues	`Revenues`	$3.68M	USD	Annual
Total revenues	`Revenues`	$888.00K	USD	1 Quarter
Total revenues	`Revenues`	$888.00K	USD	1 Quarter
Total revenues	`Revenues`	$984.00K	USD	1 Quarter
Total revenues	`Revenues`	$984.00K	USD	1 Quarter
Total revenues	`Revenues`	$995.00K	USD	1 Quarter
Total revenues	`Revenues`	$995.00K	USD	1 Quarter
Total revenues	`Revenues`	$1.18M	USD	1 Quarter
Total revenues	`Revenues`	$1.18M	USD	1 Quarter
Total revenues	`Revenues`	$1.16M	USD	1 Quarter
Total revenues	`Revenues`	$1.16M	USD	1 Quarter
Total revenues	`Revenues`	$978.00K	USD	1 Quarter
Total revenues	`Revenues`	$978.00K	USD	1 Quarter
Total revenues	`Revenues`	$4.29M	USD	Annual
Total revenues	`Revenues`	$4.29M	USD	Annual
Manufacturing cost of sales	`ManufacturingCosts`	$214.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$214.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$201.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$201.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$195.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$195.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$192.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$192.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$796.00K	USD	Annual
Manufacturing cost of sales	`ManufacturingCosts`	$796.00K	USD	Annual
Manufacturing cost of sales	`ManufacturingCosts`	$368.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$368.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$261.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$261.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$204.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$204.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$1.05M	USD	Annual
Manufacturing cost of sales	`ManufacturingCosts`	$1.05M	USD	Annual
Manufacturing cost of sales	`ManufacturingCosts`	$208.00K	USD	1 Quarter
Manufacturing cost of sales	`ManufacturingCosts`	$208.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$605.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$605.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$584.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$584.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$542.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$542.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$465.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$465.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$651.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$651.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$2.24M	USD	Annual
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$2.24M	USD	Annual
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$645.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$645.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$2.55M	USD	Annual
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$2.55M	USD	Annual
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$673.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$673.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$617.00K	USD	1 Quarter
Engineering, selling and administrative	`EngineeringSellingAndAdministrative`	$617.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$666.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$666.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$1.04M	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$1.04M	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$853.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$853.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$734.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$734.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$779.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$779.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$912.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$912.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$809.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$809.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$3.59M	USD	Annual
Total expenses	`CostsAndExpenses`	$3.59M	USD	Annual
Total expenses	`CostsAndExpenses`	$831.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$831.00K	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$3.03M	USD	Annual
Total expenses	`CostsAndExpenses`	$3.03M	USD	Annual
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$245.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$245.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$237.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$237.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$329.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$329.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$250.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$250.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$699.00K	USD	Annual
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$699.00K	USD	Annual
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$646.00K	USD	Annual
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$646.00K	USD	Annual
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-132.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-132.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$138.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$138.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$79.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$79.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$199.00K	USD	1 Quarter
Income from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$199.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$301.00K	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$301.00K	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$69.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$69.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$65.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$65.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$76.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$76.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$48.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$48.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$-2.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$-2.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$36.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$36.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$169.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$169.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$17.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$17.00K	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$177.00K	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$177.00K	USD	Annual
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$160.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$160.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$228.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$228.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$185.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$185.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$43.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$43.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$90.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$90.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$522.00K	USD	Annual
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$522.00K	USD	Annual
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$161.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$161.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$345.00K	USD	Annual
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$345.00K	USD	Annual
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-130.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-130.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$130.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$130.00K	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-28.00K	USD	Annual
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-28.00K	USD	Annual
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-28.00K	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-28.00K	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Net income	`ProfitLoss`	$90.00K	USD	1 Quarter
Net income	`ProfitLoss`	$90.00K	USD	1 Quarter
Net income	`ProfitLoss`	$228.00K	USD	1 Quarter
Net income	`ProfitLoss`	$228.00K	USD	1 Quarter
Net income	`ProfitLoss`	$130.00K	USD	1 Quarter
Net income	`ProfitLoss`	$130.00K	USD	1 Quarter
Net income	`ProfitLoss`	$157.00K	USD	1 Quarter
Net income	`ProfitLoss`	$157.00K	USD	1 Quarter
Net income	`ProfitLoss`	$43.00K	USD	1 Quarter
Net income	`ProfitLoss`	$43.00K	USD	1 Quarter
Net income	`ProfitLoss`	$161.00K	USD	1 Quarter
Net income	`ProfitLoss`	$161.00K	USD	1 Quarter
Net income	`ProfitLoss`	$522.00K	USD	Annual
Net income	`ProfitLoss`	$522.00K	USD	Annual
Net income	`ProfitLoss`	$317.00K	USD	Annual
Net income	`ProfitLoss`	$317.00K	USD	Annual
Net income	`ProfitLoss`	$160.00K	USD	1 Quarter
Net income	`ProfitLoss`	$160.00K	USD	1 Quarter
Net income	`ProfitLoss`	$-130.00K	USD	1 Quarter
Net income	`ProfitLoss`	$-130.00K	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$18.00K	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$18.00K	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$26.00K	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$26.00K	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$22.00K	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$22.00K	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$26.00K	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$26.00K	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$24.00K	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$24.00K	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$90.00K	USD	Annual
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$90.00K	USD	Annual
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$48.00K	USD	Annual
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$48.00K	USD	Annual
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$22.00K	USD	1 Quarter
Less: Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$22.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$21.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$21.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$269.00K	USD	Annual
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$269.00K	USD	Annual
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$108.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$108.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$432.00K	USD	Annual
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$432.00K	USD	Annual
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$72.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$72.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$-130.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$-130.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$202.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$202.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$157.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$157.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$137.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$137.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$134.00K	USD	1 Quarter
Net income attributable to LGL Group common stockholders	`NetIncomeLoss`	$134.00K	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	-	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	-	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.02	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.02	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.02	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.02	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.03	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.03	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.04	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.04	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.06	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.06	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.08	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.08	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.03	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.03	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.01	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.01	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.03	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.03	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	Annual
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	Annual
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.01	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.01	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.01	USD	Annual
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.01	USD	Annual
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.04	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.04	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.05	USD	Annual
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.05	USD	Annual
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.03	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.03	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$-0.02	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$-0.02	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.02	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.02	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.08	USD	Annual
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.08	USD	Annual
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	-	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	-	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.03	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.03	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.03	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.03	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.01	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.01	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.06	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.06	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.03	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.03	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.02	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.02	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.02	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.02	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.01	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.01	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.08	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.08	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	-	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	-	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.02	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.02	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.04	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.04	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.02	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.02	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	Annual
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	Annual
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.01	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.01	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.01	USD	Annual
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.01	USD	Annual
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
(Loss) income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.02	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.02	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.04	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.04	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$-0.02	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$-0.02	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.02	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.02	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.05	USD	Annual
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.05	USD	Annual
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	-	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	-	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.08	USD	Annual
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.08	USD	Annual
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.03	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.03	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.02	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.02	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.01	USD	1 Quarter
Net income attributable to LGL Group common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.01	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	5.35M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.60M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.60M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.48M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.48M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.58M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.58M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.35M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.35M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.35M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.35M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.36M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.36M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.53M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.53M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.35M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.35M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.55M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.55M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.38M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	5.38M	shares	1 Quarter

Cash Flow Statement 100 line items

Line Item	Tag	Value	Unit	Period
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$90.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$90.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$228.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$228.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$130.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$130.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$157.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$157.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$43.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$43.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$161.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$161.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$522.00K	USD	Annual
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$522.00K	USD	Annual
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$317.00K	USD	Annual
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$317.00K	USD	Annual
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$160.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$160.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$-130.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$-130.00K	USD	1 Quarter
Depreciation	`Depreciation`	$1.00K	USD	Annual
Depreciation	`Depreciation`	$1.00K	USD	Annual
Depreciation	`Depreciation`	-	USD	Annual
Depreciation	`Depreciation`	-	USD	Annual
Amortization of finite-lived intangible assets	`AmortizationOfIntangibleAssets`	$21.00K	USD	Annual
Amortization of finite-lived intangible assets	`AmortizationOfIntangibleAssets`	$21.00K	USD	Annual
Amortization of finite-lived intangible assets	`AmortizationOfIntangibleAssets`	$21.00K	USD	Annual
Amortization of finite-lived intangible assets	`AmortizationOfIntangibleAssets`	$21.00K	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$3.00K	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$3.00K	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$36.00K	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$36.00K	USD	Annual
Realized loss on sale of marketable securities	`MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments`	-	USD	Annual
Realized loss on sale of marketable securities	`MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments`	-	USD	Annual
Realized loss on sale of marketable securities	`MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments`	$-4.32M	USD	Annual
Realized loss on sale of marketable securities	`MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments`	$-4.32M	USD	Annual
Unrealized loss (gain) on marketable securities	`MarketableSecuritiesUnrealizedGainLoss`	$4.70M	USD	Annual
Unrealized loss (gain) on marketable securities	`MarketableSecuritiesUnrealizedGainLoss`	$4.70M	USD	Annual
Unrealized loss (gain) on marketable securities	`MarketableSecuritiesUnrealizedGainLoss`	$-5.00K	USD	Annual
Unrealized loss (gain) on marketable securities	`MarketableSecuritiesUnrealizedGainLoss`	$-5.00K	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$56.00K	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$56.00K	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$82.00K	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$82.00K	USD	Annual
(Increase) decrease in accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$137.00K	USD	Annual
(Increase) decrease in accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$137.00K	USD	Annual
(Increase) decrease in accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$-187.00K	USD	Annual
(Increase) decrease in accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$-187.00K	USD	Annual
(Increase) decrease in inventories, net	`IncreaseDecreaseInInventories`	$-61.00K	USD	Annual
(Increase) decrease in inventories, net	`IncreaseDecreaseInInventories`	$-61.00K	USD	Annual
(Increase) decrease in inventories, net	`IncreaseDecreaseInInventories`	$63.00K	USD	Annual
(Increase) decrease in inventories, net	`IncreaseDecreaseInInventories`	$63.00K	USD	Annual
(Increase) decrease in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$7.00K	USD	Annual
(Increase) decrease in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$7.00K	USD	Annual
(Increase) decrease in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-167.00K	USD	Annual
(Increase) decrease in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-167.00K	USD	Annual
Increase (decrease) in accounts payable, accrued compensation, income taxes and commissions and other	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-70.00K	USD	Annual
Increase (decrease) in accounts payable, accrued compensation, income taxes and commissions and other	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-70.00K	USD	Annual
Increase (decrease) in accounts payable, accrued compensation, income taxes and commissions and other	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$441.00K	USD	Annual
Increase (decrease) in accounts payable, accrued compensation, income taxes and commissions and other	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$441.00K	USD	Annual
Total adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$68.00K	USD	Annual
Total adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$68.00K	USD	Annual
Total adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$352.00K	USD	Annual
Total adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$352.00K	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$385.00K	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$385.00K	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$874.00K	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$874.00K	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$16.95M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$16.95M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	-	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	-	USD	Annual
Consolidation of noncontrolling interests	`ProceedsFromConsolidationOfNoncontrollingInterest`	$1.87M	USD	Annual
Consolidation of noncontrolling interests	`ProceedsFromConsolidationOfNoncontrollingInterest`	$1.87M	USD	Annual
Consolidation of noncontrolling interests	`ProceedsFromConsolidationOfNoncontrollingInterest`	-	USD	Annual
Consolidation of noncontrolling interests	`ProceedsFromConsolidationOfNoncontrollingInterest`	-	USD	Annual
Net cash provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	-	USD	Annual
Net cash provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	-	USD	Annual
Net cash provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	$18.82M	USD	Annual
Net cash provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	$18.82M	USD	Annual
Increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$19.20M	USD	Annual
Increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$19.20M	USD	Annual
Increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$874.00K	USD	Annual
Increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$874.00K	USD	Annual
Cash and cash equivalents at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$21.51M	USD	Point-in-time
Cash and cash equivalents at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$21.51M	USD	Point-in-time
Cash and cash equivalents at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$41.59M	USD	Point-in-time
Cash and cash equivalents at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$41.59M	USD	Point-in-time
Cash and cash equivalents at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$40.71M	USD	Point-in-time
Cash and cash equivalents at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$40.71M	USD	Point-in-time
Cash and cash equivalents at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$21.51M	USD	Point-in-time
Cash and cash equivalents at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$21.51M	USD	Point-in-time
Cash and cash equivalents at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$41.59M	USD	Point-in-time
Cash and cash equivalents at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$41.59M	USD	Point-in-time
Cash and cash equivalents at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$40.71M	USD	Point-in-time
Cash and cash equivalents at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$40.71M	USD	Point-in-time
Income taxes paid	`IncomeTaxesPaid`	$76.00K	USD	Annual
Income taxes paid	`IncomeTaxesPaid`	$76.00K	USD	Annual
Income taxes paid	`IncomeTaxesPaid`	$207.00K	USD	Annual
Income taxes paid	`IncomeTaxesPaid`	$207.00K	USD	Annual

Stockholders Equity 40 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$38.49M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$38.49M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$41.24M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$41.24M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$40.68M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$40.68M	USD	Point-in-time
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$90.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$90.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$228.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$228.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$130.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$130.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$157.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$157.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$43.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$43.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$161.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$161.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$522.00K	USD	Annual
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$522.00K	USD	Annual
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$317.00K	USD	Annual
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$317.00K	USD	Annual
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$160.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$160.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$-130.00K	USD	1 Quarter
Net income attributable to LGL Group or non-controlling interests	`ProfitLoss`	$-130.00K	USD	1 Quarter
Consolidation of non-controlling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$1.87M	USD	Annual
Consolidation of non-controlling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$1.87M	USD	Annual
Consolidation of non-controlling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	-	USD	Annual
Consolidation of non-controlling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	-	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.00K	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.00K	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$36.00K	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$36.00K	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$38.49M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$38.49M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$41.24M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$41.24M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$40.68M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$40.68M	USD	Point-in-time

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.