10-K Filing

NORTHERN TECHNOLOGIES INTERNATIONAL CORP CIK: 875582 FY 2021

Filing Information

Form Type	10-K
Accession Number	`0001171843-21-008091`
Period End Date	20210831
Filing Date	20211119
Fiscal Year	2021
Fiscal Period	FY
XBRL Instance	ntic20210831_10k_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 87 Income Statement 58 Cash Flow Statement 70 Stockholders Equity 26 Comprehensive Income 10

Balance Sheet 87 line items

Line Item	Tag	Value	Unit	Period
Trade receivable excluding joint ventures, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$382.00K	USD	Point-in-time
Trade receivable excluding joint ventures, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$90.00K	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$6.40M	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockNoParValue`	-	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockNoParValue`	-	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$7.68M	USD	Point-in-time
Available for sale securities	`AvailableForSaleSecuritiesDebtSecuritiesCurrent`	$5.54M	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	10,000.00	shares	Point-in-time
Available for sale securities	`AvailableForSaleSecuritiesDebtSecuritiesCurrent`	$4.63K	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	10,000.00	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Trade excluding joint ventures, less allowance for doubtful accounts of $382,000 as of August 31, 2021 and $90,000 as of August 31, 2020	`TradeReceivablesExcludingJointVenturesNetCurrent`	$11.13M	USD	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Trade excluding joint ventures, less allowance for doubtful accounts of $382,000 as of August 31, 2021 and $90,000 as of August 31, 2020	`TradeReceivablesExcludingJointVenturesNetCurrent`	$8.07M	USD	Point-in-time
Trade joint ventures	`TradeReceivablesJointVenturesCurrent`	$624.81K	USD	Point-in-time
Trade joint ventures	`TradeReceivablesJointVenturesCurrent`	$475.90K	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.02	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.02	USD	Point-in-time
Fees for services provided to joint ventures	`FeesReceivableForServicesProvidedToJointVenturesCurrent`	$927.29K	USD	Point-in-time
Fees for services provided to joint ventures	`FeesReceivableForServicesProvidedToJointVenturesCurrent`	$1.51M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	15.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	15.00M	shares	Point-in-time
Income taxes	`IncomeTaxesReceivable`	$19.91K	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	9.10M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	9.18M	shares	Point-in-time
Income taxes	`IncomeTaxesReceivable`	$386.57K	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	9.10M	shares	Point-in-time
Inventories	`InventoryGross`	$11.11M	USD	Point-in-time
Inventories	`InventoryGross`	$10.96M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	9.18M	shares	Point-in-time
Prepaid expenses	`PrepaidExpenseCurrent`	$1.30M	USD	Point-in-time
Prepaid expenses	`PrepaidExpenseCurrent`	$797.50K	USD	Point-in-time
Total current assets	`AssetsCurrent`	$33.75M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$33.20M	USD	Point-in-time
PROPERTY AND EQUIPMENT, NET	`PropertyPlantAndEquipmentNet`	$7.11M	USD	Point-in-time
PROPERTY AND EQUIPMENT, NET	`PropertyPlantAndEquipmentNet`	$11.82M	USD	Point-in-time
Investments in joint ventures	`EquityMethodInvestments`	$27.62M	USD	Point-in-time
Investments in joint ventures	`EquityMethodInvestments`	$24.09M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$209.73K	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$92.55K	USD	Point-in-time
Patents and trademarks, net	`FiniteLivedIntangibleAssetsNet`	$802.01K	USD	Point-in-time
Patents and trademarks, net	`FiniteLivedIntangibleAssetsNet`	$709.57K	USD	Point-in-time
Operating lease right of use asset	`OperatingLeaseRightOfUseAsset`	$376.44K	USD	Point-in-time
Operating lease right of use asset	`OperatingLeaseRightOfUseAsset`	$658.79K	USD	Point-in-time
Total other assets	`AssetsNoncurrentOtherThanPropertyPlantAndEquipment`	$28.80M	USD	Point-in-time
Total other assets	`AssetsNoncurrentOtherThanPropertyPlantAndEquipment`	$25.76M	USD	Point-in-time
Total assets	`Assets`	$66.07M	USD	Point-in-time
Total assets	`Assets`	$74.37M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$3.21M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$4.29M	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$178.92K	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$310.92K	USD	Point-in-time
Payroll and related benefits	`EmployeeRelatedLiabilitiesCurrent`	$2.88M	USD	Point-in-time
Payroll and related benefits	`EmployeeRelatedLiabilitiesCurrent`	$1.31M	USD	Point-in-time
Other	`OtherAccruedLiabilitiesCurrent`	$880.12K	USD	Point-in-time
Other	`OtherAccruedLiabilitiesCurrent`	$894.50K	USD	Point-in-time
Current portion of operating lease	`OperatingLeaseLiabilityCurrent`	$386.35K	USD	Point-in-time
Current portion of operating lease	`OperatingLeaseLiabilityCurrent`	$272.34K	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$8.52M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$6.10M	USD	Point-in-time
Operating lease, less current portion	`OperatingLeaseLiabilityNoncurrent`	$272.44K	USD	Point-in-time
Operating lease, less current portion	`OperatingLeaseLiabilityNoncurrent`	$104.10K	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$104.10K	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$272.44K	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, no par value; authorized 10,000 shares; none issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, no par value; authorized 10,000 shares; none issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $0.02 par value per share; authorized 15,000,000 shares as of August 31, 2021 and August 31, 2020; issued and outstanding 9,184,811 and 9,099,990, respectively	`CommonStockValue`	$182.00K	USD	Point-in-time
Common stock, $0.02 par value per share; authorized 15,000,000 shares as of August 31, 2021 and August 31, 2020; issued and outstanding 9,184,811 and 9,099,990, respectively	`CommonStockValue`	$183.70K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$17.42M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$18.74M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$42.47M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$46.97M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-3.41M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-3.53M	USD	Point-in-time
Stockholders equity	`StockholdersEquity`	$62.37M	USD	Point-in-time
Stockholders equity	`StockholdersEquity`	$56.66M	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$3.38M	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$3.05M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$59.70M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$65.75M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$59.67M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$66.07M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$74.37M	USD	Point-in-time

Income Statement 58 line items

Line Item	Tag	Value	Unit	Period
Net sales, excluding joint ventures	`NetSalesExcludingJointVentures`	$45.67M	USD	Annual
Net sales, excluding joint ventures	`NetSalesExcludingJointVentures`	$53.47M	USD	Annual
Net sales, to joint ventures	`NetSalesToJointVentures`	$1.97M	USD	Annual
Net sales, to joint ventures	`NetSalesToJointVentures`	$3.02M	USD	Annual
Total net sales	`Revenues`	$47.64M	USD	Annual
Total net sales	`Revenues`	$56.49M	USD	Annual
Cost of goods sold	`CostOfGoodsAndServicesSold`	$36.92M	USD	Annual
Cost of goods sold	`CostOfGoodsAndServicesSold`	$31.61M	USD	Annual
Gross profit	`GrossProfit`	$19.57M	USD	Annual
Gross profit	`GrossProfit`	$16.03M	USD	Annual
Equity in income from joint ventures	`IncomeLossFromEquityMethodInvestments`	$4.27M	USD	Annual
Equity in income from joint ventures	`IncomeLossFromEquityMethodInvestments`	$7.47M	USD	Annual
Fees for services provided to joint ventures	`FeesForServicesProvidedToJointVentures`	$4.61M	USD	Annual
Fees for services provided to joint ventures	`FeesForServicesProvidedToJointVentures`	$5.96M	USD	Annual
To Total joint venture operations	`IncomeFromJointVentureOperations`	$8.88M	USD	Annual
To Total joint venture operations	`IncomeFromJointVentureOperations`	$13.43M	USD	Annual
Selling expenses	`SellingExpense`	$12.02M	USD	Annual
Selling expenses	`SellingExpense`	$10.66M	USD	Annual
General and administrative expenses	`GeneralAndAdministrativeExpense`	$8.26M	USD	Annual
General and administrative expenses	`GeneralAndAdministrativeExpense`	$8.69M	USD	Annual
Research and development expenses	`ResearchAndDevelopmentExpense`	$4.40M	USD	Annual
Research and development expenses	`ResearchAndDevelopmentExpense`	$3.98M	USD	Annual
Total operating expenses	`OperatingExpenses`	$23.32M	USD	Annual
Total operating expenses	`OperatingExpenses`	$24.68M	USD	Annual
OPERATING INCOME	`OperatingIncomeLoss`	$8.32M	USD	Annual
OPERATING INCOME	`OperatingIncomeLoss`	$1.59M	USD	Annual
INTEREST INCOME	`InvestmentIncomeNet`	$151.88K	USD	Annual
INTEREST INCOME	`InvestmentIncomeNet`	$167.73K	USD	Annual
INTEREST EXPENSE	`InterestExpense`	$16.03K	USD	Annual
INTEREST EXPENSE	`InterestExpense`	$16.09K	USD	Annual
INCOME BEFORE INCOME TAX EXPENSE	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$1.74M	USD	Annual
INCOME BEFORE INCOME TAX EXPENSE	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$8.46M	USD	Annual
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$2.67M	USD	Annual
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$1.46M	USD	Annual
NET INCOME (LOSS)	`ProfitLoss`	$7.00M	USD	Annual
NET INCOME (LOSS)	`ProfitLoss`	$-934.76K	USD	Annual
NET INCOME ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	`NetIncomeLossAttributableToNoncontrollingInterest`	$715.50K	USD	Annual
NET INCOME ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	`NetIncomeLossAttributableToNoncontrollingInterest`	$402.95K	USD	Annual
NET INCOME (LOSS) ATTRIBUTABLE TO NTIC	`NetIncomeLoss`	$6.28M	USD	Annual
NET INCOME (LOSS) ATTRIBUTABLE TO NTIC	`NetIncomeLoss`	$-1.34M	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.15	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.69	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.64	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.15	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	9.10M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	9.12M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	9.10M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	9.87M	shares	Annual
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.07	USD	Point-in-time
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.07	USD	Point-in-time
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	-	USD	1 Quarter
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.07	USD	Point-in-time
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.07	USD	Point-in-time
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	-	USD	1 Quarter
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.07	USD	Point-in-time
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.13	USD	Annual
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	-	USD	1 Quarter
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.20	USD	Annual

Cash Flow Statement 70 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`ProfitLoss`	$7.00M	USD	Annual
Net income (loss)	`ProfitLoss`	$-934.76K	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$1.34M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$664.17K	USD	Annual
Depreciation expense	`Depreciation`	$905.30K	USD	Annual
Depreciation expense	`Depreciation`	$836.60K	USD	Annual
Amortization expense	`AdjustmentForAmortization`	$231.62K	USD	Annual
Amortization expense	`AdjustmentForAmortization`	$203.09K	USD	Annual
Change in allowance for doubtful accounts	`ProvisionForDoubtfulAccounts`	$262.00K	USD	Annual
Change in allowance for doubtful accounts	`ProvisionForDoubtfulAccounts`	$25.00K	USD	Annual
Equity in income from joint ventures	`IncomeLossFromEquityMethodInvestments`	$4.27M	USD	Annual
Equity in income from joint ventures	`IncomeLossFromEquityMethodInvestments`	$7.47M	USD	Annual
Dividends received from joint ventures	`ProceedsFromDividendsReceived`	$3.67M	USD	Annual
Dividends received from joint ventures	`ProceedsFromDividendsReceived`	$5.67M	USD	Annual
Loss on disposal of property and patents	`GainLossOnDispositionOfAssets`	$-173.81K	USD	Annual
Loss on disposal of property and patents	`GainLossOnDispositionOfAssets`	-	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-1.42M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-114.62K	USD	Annual
Trade, excluding joint ventures	`IncreaseDecreaseInTradeReceivablesExcludingJointVentures`	$-1.68M	USD	Annual
Trade, excluding joint ventures	`IncreaseDecreaseInTradeReceivablesExcludingJointVentures`	$3.03M	USD	Annual
Trade, joint ventures	`IncreaseDecreaseInTradeReceivablesJointVentures`	$-348.57K	USD	Annual
Trade, joint ventures	`IncreaseDecreaseInTradeReceivablesJointVentures`	$148.91K	USD	Annual
Fees for services provided to joint ventures	`IncreaseDecreaseInFeesReceivableForServicesProvidedToJointVentures`	$-340.71K	USD	Annual
Fees for services provided to joint ventures	`IncreaseDecreaseInFeesReceivableForServicesProvidedToJointVentures`	$577.84K	USD	Annual
Income taxes	`IncreaseDecreaseInIncomeTaxesReceivable`	$-424.00K	USD	Annual
Income taxes	`IncreaseDecreaseInIncomeTaxesReceivable`	$362.44K	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$435.71K	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-58.31K	USD	Annual
Prepaid expenses and other	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-279.31K	USD	Annual
Prepaid expenses and other	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$487.77K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-1.23M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$866.60K	USD	Annual
Income tax payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$302.64K	USD	Annual
Income tax payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-160.23K	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-1.29M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$1.39M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.89M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$4.91M	USD	Annual
Proceeds from the sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	Annual
Proceeds from the sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$2.19K	USD	Annual
Purchase of available for sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$800.00K	USD	Annual
Purchase of available for sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$4.00M	USD	Annual
Proceeds from the sale of available for sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$2.02M	USD	Annual
Proceeds from the sale of available for sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$6.34M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$711.41K	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$5.53M	USD	Annual
Investments in patents	`PaymentsToAcquireIntangibleAssets`	$110.65K	USD	Annual
Investments in patents	`PaymentsToAcquireIntangibleAssets`	$96.00K	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-103.32K	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.78M	USD	Annual
Dividend received by non-controlling interest	`PaymentsOfDividendsMinorityInterest`	$400.00K	USD	Annual
Dividend received by non-controlling interest	`PaymentsOfDividendsMinorityInterest`	$400.00K	USD	Annual
Dividends paid on NTIC common stock	`PaymentsOfDividendsCommonStock`	$1.18M	USD	Annual
Dividends paid on NTIC common stock	`PaymentsOfDividendsCommonStock`	$1.78M	USD	Annual
Proceeds from employee stock purchase plan	`ProceedsFromStockPlans`	$74.33K	USD	Annual
Proceeds from employee stock purchase plan	`ProceedsFromStockPlans`	$64.19K	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	-	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$584.41K	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.52M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.52M	USD	Annual
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	`EffectOfExchangeRateOnCashAndCashEquivalents`	$10.19K	USD	Annual
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	`EffectOfExchangeRateOnCashAndCashEquivalents`	$-63.11K	USD	Annual
NET INCREASE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$1.28M	USD	Annual
NET INCREASE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$546.27K	USD	Annual
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$6.40M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$7.68M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$5.86M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF YEAR	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$6.40M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF YEAR	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$7.68M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF YEAR	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$5.86M	USD	Point-in-time

Stockholders Equity 26 line items

Line Item	Tag	Value	Unit	Period
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$59.70M	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$65.75M	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$59.67M	USD	Point-in-time
Stock options exercised (in shares)	`StockIssuedDuringPeriodSharesStockOptionsExercised`	6,823.00	shares	Annual
Stock options exercised (in shares)	`StockIssuedDuringPeriodSharesStockOptionsExercised`	74,950.00	shares	Annual
Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	-	USD	Annual
Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	$584.41K	USD	Annual
Stock issued for employee stock purchase plan (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	2,754.00	shares	Point-in-time
Stock issued for employee stock purchase plan (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	3,597.00	shares	Point-in-time
Stock issued for employee stock purchase plan (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	4,646.00	shares	Point-in-time
Stock issued for employee stock purchase plan (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	5,225.00	shares	Point-in-time
Stock issued for employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$64.19K	USD	Annual
Stock issued for employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$74.33K	USD	Annual
Stock option expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$1.34M	USD	Annual
Stock option expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$664.17K	USD	Annual
Dividends paid to stockholders	`Dividends`	$1.18M	USD	Annual
Dividends paid to stockholders	`Dividends`	$1.78M	USD	Annual
Dividend received by non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$400.00K	USD	Annual
Dividend received by non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$400.00K	USD	Annual
Net income (loss)	`ProfitLoss`	$7.00M	USD	Annual
Net income (loss)	`ProfitLoss`	$-934.76K	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$1.15M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-92.56K	USD	Annual
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$59.70M	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$65.75M	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$59.67M	USD	Point-in-time

Comprehensive Income 10 line items

Line Item	Tag	Value	Unit	Period
NET INCOME (LOSS)	`ProfitLoss`	$7.00M	USD	Annual
NET INCOME (LOSS)	`ProfitLoss`	$-934.76K	USD	Annual
OTHER COMPREHENSIVE INCOME (LOSS) FOREIGN CURRENCY TRANSLATION ADJUSTMENT	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$1.15M	USD	Annual
OTHER COMPREHENSIVE INCOME (LOSS) FOREIGN CURRENCY TRANSLATION ADJUSTMENT	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-92.56K	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$215.38K	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$6.90M	USD	Annual
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$737.53K	USD	Annual
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$370.35K	USD	Annual
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO NTIC	`ComprehensiveIncomeNetOfTax`	$6.17M	USD	Annual
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO NTIC	`ComprehensiveIncomeNetOfTax`	$-154.97K	USD	Annual

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