10-Q/A Filing

NORTHERN TECHNOLOGIES INTERNATIONAL CORP CIK: 875582 Q1 2023

Filing Information

Form Type	10-Q/A
Accession Number	`0001171843-23-007217`
Period End Date	20230228
Filing Date	20231121
Fiscal Year	2023
Fiscal Period	Q1
XBRL Instance	ntic20230228_10qa_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 94 Income Statement 100 Cash Flow Statement 82 Stockholders Equity 43 Comprehensive Income 20

Balance Sheet 94 line items

Line Item	Tag	Value	Unit	Period
Accounts Receivable, Allowance for Credit Loss, Current	`AllowanceForDoubtfulAccountsReceivableCurrent`	$439.00K	USD	Point-in-time
Accounts Receivable, Allowance for Credit Loss, Current	`AllowanceForDoubtfulAccountsReceivableCurrent`	$439.00K	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$5.45M	USD	Point-in-time
Preferred Stock, No Par Value (in dollars per share)	`PreferredStockNoParValue`	-	USD	Point-in-time
Preferred Stock, No Par Value (in dollars per share)	`PreferredStockNoParValue`	-	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$5.33M	USD	Point-in-time
Preferred Stock, Shares Authorized (in shares)	`PreferredStockSharesAuthorized`	10,000.00	shares	Point-in-time
Available for sale securities	`AvailableForSaleSecuritiesDebtSecuritiesCurrent`	-	USD	Point-in-time
Available for sale securities	`AvailableForSaleSecuritiesDebtSecuritiesCurrent`	$5.59K	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 $439,000 as of February 28, 2023 and August 31, 2022	`TradeReceivablesExcludingJointVenturesNetCurrent`	$14.14M	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 $439,000 as of February 28, 2023 and August 31, 2022	`TradeReceivablesExcludingJointVenturesNetCurrent`	$14.10M	USD	Point-in-time
Trade, joint ventures	`TradeReceivablesJointVenturesCurrent`	$1.61M	USD	Point-in-time
Common Stock, Par or Stated Value Per Share (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.02	USD	Point-in-time
Trade, joint ventures	`TradeReceivablesJointVenturesCurrent`	$697.86K	USD	Point-in-time
Common Stock, Par or Stated Value Per Share (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.02	USD	Point-in-time
Common Stock, Shares Authorized (in shares)	`CommonStockSharesAuthorized`	15.00M	shares	Point-in-time
Fees for services provided to joint ventures	`FeesReceivableForServicesProvidedToJointVenturesCurrent`	$1.77M	USD	Point-in-time
Common Stock, Shares Authorized (in shares)	`CommonStockSharesAuthorized`	15.00M	shares	Point-in-time
Fees for services provided to joint ventures	`FeesReceivableForServicesProvidedToJointVenturesCurrent`	$1.11M	USD	Point-in-time
Income taxes	`IncomeTaxesReceivable`	-	USD	Point-in-time
Income taxes	`IncomeTaxesReceivable`	$313.27K	USD	Point-in-time
Common Stock, Shares, Outstanding, Ending Balance (in shares)	`CommonStockSharesOutstanding`	9.37M	shares	Point-in-time
Common Stock, Shares, Outstanding, Ending Balance (in shares)	`CommonStockSharesOutstanding`	9.23M	shares	Point-in-time
Inventories	`InventoryGross`	$15.18M	USD	Point-in-time
Common Stock, Shares, Issued (in shares)	`CommonStockSharesIssued`	9.23M	shares	Point-in-time
Inventories	`InventoryGross`	$16.34M	USD	Point-in-time
Common Stock, Shares, Issued (in shares)	`CommonStockSharesIssued`	9.37M	shares	Point-in-time
Prepaid expenses	`PrepaidExpenseCurrent`	$1.95M	USD	Point-in-time
Prepaid expenses	`PrepaidExpenseCurrent`	$1.83M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$40.23M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$39.60M	USD	Point-in-time
PROPERTY AND EQUIPMENT, NET	`PropertyPlantAndEquipmentNet`	$12.17M	USD	Point-in-time
PROPERTY AND EQUIPMENT, NET	`PropertyPlantAndEquipmentNet`	$12.17M	USD	Point-in-time
PROPERTY AND EQUIPMENT, NET	`PropertyPlantAndEquipmentNet`	$13.45M	USD	Point-in-time
Investments in joint ventures	`EquityMethodInvestments`	$21.52M	USD	Point-in-time
Investments in joint ventures	`EquityMethodInvestments`	$21.81M	USD	Point-in-time
Intangible asset, net	`FiniteLivedIntangibleAssetsNet`	$6.41M	USD	Point-in-time
Intangible asset, net	`FiniteLivedIntangibleAssetsNet`	$6.63M	USD	Point-in-time
Goodwill	`Goodwill`	$4.78M	USD	Point-in-time
Goodwill	`Goodwill`	$4.78M	USD	Point-in-time
Operating lease right of use asset	`OperatingLeaseRightOfUseAsset`	$557.57K	USD	Point-in-time
Operating lease right of use asset	`OperatingLeaseRightOfUseAsset`	$374.04K	USD	Point-in-time
Total other assets	`AssetsNoncurrentOtherThanPropertyPlantAndEquipment`	$33.09M	USD	Point-in-time
Total other assets	`AssetsNoncurrentOtherThanPropertyPlantAndEquipment`	$33.79M	USD	Point-in-time
Total assets	`Assets`	$86.14M	USD	Point-in-time
Total assets	`Assets`	$86.19M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$7.80M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$6.31M	USD	Point-in-time
Line of credit	`LinesOfCreditCurrent`	$7.10M	USD	Point-in-time
Line of credit	`LinesOfCreditCurrent`	$5.90M	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	-	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$30.74K	USD	Point-in-time
Payroll and related benefits	`EmployeeRelatedLiabilitiesCurrent`	$2.30M	USD	Point-in-time
Payroll and related benefits	`EmployeeRelatedLiabilitiesCurrent`	$1.20M	USD	Point-in-time
Other	`OtherAccruedLiabilitiesCurrent`	$667.29K	USD	Point-in-time
Other	`OtherAccruedLiabilitiesCurrent`	$1.29M	USD	Point-in-time
Current portion of operating leases	`OperatingLeaseLiabilityCurrent`	$373.33K	USD	Point-in-time
Current portion of operating leases	`OperatingLeaseLiabilityCurrent`	$173.18K	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$17.07M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$16.08M	USD	Point-in-time
Deferred income tax, net	`DeferredIncomeTaxLiabilitiesNet`	$1.62M	USD	Point-in-time
Deferred income tax, net	`DeferredIncomeTaxLiabilitiesNet`	$1.70M	USD	Point-in-time
Operating leases, less current portion	`OperatingLeaseLiabilityNoncurrent`	$200.86K	USD	Point-in-time
Operating leases, less current portion	`OperatingLeaseLiabilityNoncurrent`	$184.24K	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$1.88M	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$1.82M	USD	Point-in-time
Commitments and Contingencies	`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 February 28, 2023 and August 31, 2022; issued and outstanding 9,366,357 and 9,232,483, respectively	`CommonStockValue`	$184.65K	USD	Point-in-time
Common stock, $0.02 par value per share; authorized 15,000,000 shares as of February 28, 2023 and August 31, 2022; issued and outstanding 9,366,357 and 9,232,483, respectively	`CommonStockValue`	$187.33K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$19.94M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$21.06M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$50.72M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$50.32M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.25M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-6.77M	USD	Point-in-time
Stockholders equity	`StockholdersEquity`	$63.60M	USD	Point-in-time
Stockholders equity	`StockholdersEquity`	$64.79M	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$3.44M	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$3.65M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$69.44M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$67.24M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$65.75M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$69.63M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$68.23M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$67.87M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$86.14M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$86.19M	USD	Point-in-time

Income Statement 100 line items

Line Item	Tag	Value	Unit	Period
Net sales	`Revenues`	$34.94M	USD	2 Qtrs
Net sales	`Revenues`	$18.27M	USD	1 Quarter
Net sales	`Revenues`	$16.75M	USD	1 Quarter
Net sales	`Revenues`	$38.22M	USD	2 Qtrs
Cost of goods sold	`CostOfGoodsAndServicesSold`	$24.25M	USD	2 Qtrs
Cost of goods sold	`CostOfGoodsAndServicesSold`	$25.57M	USD	2 Qtrs
Cost of goods sold	`CostOfGoodsAndServicesSold`	$11.97M	USD	1 Quarter
Cost of goods sold	`CostOfGoodsAndServicesSold`	$11.76M	USD	1 Quarter
Gross profit	`GrossProfit`	$10.69M	USD	2 Qtrs
Gross profit	`GrossProfit`	$12.66M	USD	2 Qtrs
Gross profit	`GrossProfit`	$4.98M	USD	1 Quarter
Gross profit	`GrossProfit`	$6.30M	USD	1 Quarter
Equity in income from joint ventures	`IncomeLossFromEquityMethodInvestments`	$2.30M	USD	2 Qtrs
Equity in income from joint ventures	`IncomeLossFromEquityMethodInvestments`	$922.83K	USD	1 Quarter
Equity in income from joint ventures	`IncomeLossFromEquityMethodInvestments`	$1.13M	USD	1 Quarter
Equity in income from joint ventures	`IncomeLossFromEquityMethodInvestments`	$2.32M	USD	2 Qtrs
Fees for services provided to joint ventures	`FeesForServicesProvidedToJointVentures`	$1.25M	USD	1 Quarter
Fees for services provided to joint ventures	`FeesForServicesProvidedToJointVentures`	$1.25M	USD	1 Quarter
Fees for services provided to joint ventures	`FeesForServicesProvidedToJointVentures`	$2.43M	USD	2 Qtrs
Fees for services provided to joint ventures	`FeesForServicesProvidedToJointVentures`	$2.51M	USD	2 Qtrs
Total joint venture operations	`IncomeFromJointVentureOperations`	$4.80M	USD	2 Qtrs
Total joint venture operations	`IncomeFromJointVentureOperations`	$4.75M	USD	2 Qtrs
Total joint venture operations	`IncomeFromJointVentureOperations`	$2.38M	USD	1 Quarter
Total joint venture operations	`IncomeFromJointVentureOperations`	$2.17M	USD	1 Quarter
Selling expenses	`SellingExpense`	$7.10M	USD	2 Qtrs
Selling expenses	`SellingExpense`	$6.21M	USD	2 Qtrs
Selling expenses	`SellingExpense`	$2.97M	USD	1 Quarter
Selling expenses	`SellingExpense`	$3.60M	USD	1 Quarter
General and administrative expenses	`GeneralAndAdministrativeExpense`	$2.52M	USD	1 Quarter
General and administrative expenses	`GeneralAndAdministrativeExpense`	$3.13M	USD	1 Quarter
General and administrative expenses	`GeneralAndAdministrativeExpense`	$6.26M	USD	2 Qtrs
General and administrative expenses	`GeneralAndAdministrativeExpense`	$5.12M	USD	2 Qtrs
Research and development expenses	`ResearchAndDevelopmentExpense`	$1.14M	USD	1 Quarter
Research and development expenses	`ResearchAndDevelopmentExpense`	$2.40M	USD	2 Qtrs
Research and development expenses	`ResearchAndDevelopmentExpense`	$2.45M	USD	2 Qtrs
Research and development expenses	`ResearchAndDevelopmentExpense`	$1.22M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$7.87M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$6.71M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$15.77M	USD	2 Qtrs
Total operating expenses	`OperatingExpenses`	$13.78M	USD	2 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$1.71M	USD	2 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$1.64M	USD	2 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$445.22K	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$813.56K	USD	1 Quarter
REMEASUREMENT GAIN ON ACQUISITION OF EQUITY METHOD INVESTEE	`BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss`	-	USD	1 Quarter
REMEASUREMENT GAIN ON ACQUISITION OF EQUITY METHOD INVESTEE	`BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss`	-	USD	1 Quarter
REMEASUREMENT GAIN ON ACQUISITION OF EQUITY METHOD INVESTEE	`BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss`	$3.95M	USD	2 Qtrs
REMEASUREMENT GAIN ON ACQUISITION OF EQUITY METHOD INVESTEE	`BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss`	-	USD	2 Qtrs
INTEREST INCOME	`InvestmentIncomeNet`	$9.91K	USD	1 Quarter
INTEREST INCOME	`InvestmentIncomeNet`	$9.62K	USD	2 Qtrs
INTEREST INCOME	`InvestmentIncomeNet`	$3.45K	USD	1 Quarter
INTEREST INCOME	`InvestmentIncomeNet`	$20.85K	USD	2 Qtrs
INTEREST EXPENSE	`InterestExpense`	$115.14K	USD	1 Quarter
INTEREST EXPENSE	`InterestExpense`	$10.29K	USD	2 Qtrs
INTEREST EXPENSE	`InterestExpense`	$206.47K	USD	2 Qtrs
INTEREST EXPENSE	`InterestExpense`	$7.40K	USD	1 Quarter
INCOME BEFORE INCOME TAX EXPENSE	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$5.67M	USD	2 Qtrs
INCOME BEFORE INCOME TAX EXPENSE	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$1.45M	USD	2 Qtrs
INCOME BEFORE INCOME TAX EXPENSE	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$701.86K	USD	1 Quarter
INCOME BEFORE INCOME TAX EXPENSE	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$447.73K	USD	1 Quarter
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$181.79K	USD	1 Quarter
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$292.53K	USD	2 Qtrs
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$151.74K	USD	1 Quarter
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$656.12K	USD	2 Qtrs
NET INCOME	`ProfitLoss`	$1.15M	USD	2 Qtrs
NET INCOME	`ProfitLoss`	$520.07K	USD	1 Quarter
NET INCOME	`ProfitLoss`	$5.02M	USD	2 Qtrs
NET INCOME	`ProfitLoss`	$295.99K	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	`NetIncomeLossAttributableToNoncontrollingInterest`	$341.21K	USD	2 Qtrs
NET INCOME ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	`NetIncomeLossAttributableToNoncontrollingInterest`	$240.01K	USD	2 Qtrs
NET INCOME ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	`NetIncomeLossAttributableToNoncontrollingInterest`	$113.14K	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	`NetIncomeLossAttributableToNoncontrollingInterest`	$108.57K	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO NTIC	`NetIncomeLoss`	$4.68M	USD	2 Qtrs
NET INCOME ATTRIBUTABLE TO NTIC	`NetIncomeLoss`	$913.74K	USD	2 Qtrs
NET INCOME ATTRIBUTABLE TO NTIC	`NetIncomeLoss`	$411.50K	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO NTIC	`NetIncomeLoss`	$182.85K	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.04	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.10	USD	2 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.02	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.51	USD	2 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.04	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.02	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.09	USD	2 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.48	USD	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	9.35M	shares	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	9.37M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	9.21M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	9.21M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	9.75M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	9.74M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	9.68M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	9.75M	shares	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	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	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`	$0.14	USD	2 Qtrs
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.14	USD	2 Qtrs

Cash Flow Statement 82 line items

Line Item	Tag	Value	Unit	Period
NET INCOME	`ProfitLoss`	$1.15M	USD	2 Qtrs
NET INCOME	`ProfitLoss`	$520.07K	USD	1 Quarter
NET INCOME	`ProfitLoss`	$5.02M	USD	2 Qtrs
NET INCOME	`ProfitLoss`	$295.99K	USD	1 Quarter
Stock-based compensation	`ShareBasedCompensation`	$667.01K	USD	2 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$465.77K	USD	2 Qtrs
Depreciation expense	`Depreciation`	$215.69K	USD	1 Quarter
Depreciation expense	`Depreciation`	$225.96K	USD	1 Quarter
Depreciation expense	`Depreciation`	$430.99K	USD	2 Qtrs
Depreciation expense	`Depreciation`	$488.84K	USD	2 Qtrs
Amortization expense	`AdjustmentForAmortization`	$315.63K	USD	2 Qtrs
Amortization expense	`AdjustmentForAmortization`	$294.87K	USD	2 Qtrs
Remeasurement gain on acquisition of equity method investee	`BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss`	-	USD	1 Quarter
Remeasurement gain on acquisition of equity method investee	`BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss`	-	USD	1 Quarter
Remeasurement gain on acquisition of equity method investee	`BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss`	$3.95M	USD	2 Qtrs
Remeasurement gain on acquisition of equity method investee	`BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss`	-	USD	2 Qtrs
Loss on disposal of assets	`GainLossOnDispositionOfAssets1`	$8.53K	USD	2 Qtrs
Loss on disposal of assets	`GainLossOnDispositionOfAssets1`	-	USD	2 Qtrs
Equity in income from joint ventures	`IncomeLossFromEquityMethodInvestments`	$2.30M	USD	2 Qtrs
Equity in income from joint ventures	`IncomeLossFromEquityMethodInvestments`	$922.83K	USD	1 Quarter
Equity in income from joint ventures	`IncomeLossFromEquityMethodInvestments`	$1.13M	USD	1 Quarter
Equity in income from joint ventures	`IncomeLossFromEquityMethodInvestments`	$2.32M	USD	2 Qtrs
Dividends received from joint ventures	`ProceedsFromDividendsReceived`	$3.46M	USD	2 Qtrs
Dividends received from joint ventures	`ProceedsFromDividendsReceived`	$5.36M	USD	2 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$70.17K	USD	2 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-139.34K	USD	2 Qtrs
Trade, excluding joint ventures	`IncreaseDecreaseInTradeReceivablesExcludingJointVentures`	$338.01K	USD	2 Qtrs
Trade, excluding joint ventures	`IncreaseDecreaseInTradeReceivablesExcludingJointVentures`	$-321.32K	USD	2 Qtrs
Trade, joint ventures	`IncreaseDecreaseInTradeReceivablesJointVentures`	$281.15K	USD	2 Qtrs
Trade, joint ventures	`IncreaseDecreaseInTradeReceivablesJointVentures`	$917.07K	USD	2 Qtrs
Fees for services provided to joint ventures	`IncreaseDecreaseInFeesReceivableForServicesProvidedToJointVentures`	$-656.21K	USD	2 Qtrs
Fees for services provided to joint ventures	`IncreaseDecreaseInFeesReceivableForServicesProvidedToJointVentures`	$-426.43K	USD	2 Qtrs
Income taxes	`IncreaseDecreaseInIncomeTaxesReceivable`	$313.27K	USD	2 Qtrs
Income taxes	`IncreaseDecreaseInIncomeTaxesReceivable`	$286.46K	USD	2 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$990.63K	USD	2 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$-996.52K	USD	2 Qtrs
Prepaid expenses and other	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$1.14M	USD	2 Qtrs
Prepaid expenses and other	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-259.71K	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-1.29M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$674.15K	USD	2 Qtrs
Income tax payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-29.50K	USD	2 Qtrs
Income tax payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-376.54K	USD	2 Qtrs
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-1.72M	USD	2 Qtrs
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-488.22K	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.12M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.20M	USD	2 Qtrs
Acquisition of Zerust India business, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	2 Qtrs
Acquisition of Zerust India business, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$5.06M	USD	2 Qtrs
Proceeds from the sale of available for sale securities	`ProceedsFromSalePaymentsToAcquireDebtSecuritiesAvailableforsale`	-	USD	2 Qtrs
Proceeds from the sale of available for sale securities	`ProceedsFromSalePaymentsToAcquireDebtSecuritiesAvailableforsale`	$5.59K	USD	2 Qtrs
Proceeds from sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	2 Qtrs
Proceeds from sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$13.00K	USD	2 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.87M	USD	2 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$618.53K	USD	2 Qtrs
Investments in patents	`PaymentsToAcquireIntangibleAssets`	$112.30K	USD	2 Qtrs
Investments in patents	`PaymentsToAcquireIntangibleAssets`	$70.02K	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.92M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-5.79M	USD	2 Qtrs
Net proceeds from line of credit	`ProceedsFromRepaymentsOfLinesOfCredit`	$4.20M	USD	2 Qtrs
Net proceeds from line of credit	`ProceedsFromRepaymentsOfLinesOfCredit`	$1.20M	USD	2 Qtrs
Dividends paid on NTIC common stock	`PaymentsOfDividendsCommonStock`	$1.29M	USD	2 Qtrs
Dividends paid on NTIC common stock	`PaymentsOfDividendsCommonStock`	$1.31M	USD	2 Qtrs
Proceeds from the exercise of stock options	`ProceedsFromStockOptionsExercised`	$139.20K	USD	2 Qtrs
Proceeds from the exercise of stock options	`ProceedsFromStockOptionsExercised`	$416.56K	USD	2 Qtrs
Dividends received by non-controlling interest	`PaymentsOfDividendsMinorityInterest`	$455.57K	USD	2 Qtrs
Dividends received by non-controlling interest	`PaymentsOfDividendsMinorityInterest`	$302.73K	USD	2 Qtrs
Proceeds from employee stock purchase plan	`ProceedsFromStockPlans`	$38.70K	USD	2 Qtrs
Proceeds from employee stock purchase plan	`ProceedsFromStockPlans`	$38.53K	USD	2 Qtrs
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.79M	USD	2 Qtrs
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-111.61K	USD	2 Qtrs
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$-52.67K	USD	2 Qtrs
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$694.90K	USD	2 Qtrs
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-192.83K	USD	2 Qtrs
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$117.22K	USD	2 Qtrs
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$7.68M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$7.49M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$5.45M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$5.33M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$7.68M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$7.49M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$5.45M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$5.33M	USD	Point-in-time

Stockholders Equity 43 line items

Line Item	Tag	Value	Unit	Period
BALANCE AT NOVEMBER 30, 2021	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$69.44M	USD	Point-in-time
BALANCE AT NOVEMBER 30, 2021	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$67.24M	USD	Point-in-time
BALANCE AT NOVEMBER 30, 2021	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$65.75M	USD	Point-in-time
BALANCE AT NOVEMBER 30, 2021	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$69.63M	USD	Point-in-time
BALANCE AT NOVEMBER 30, 2021	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$68.23M	USD	Point-in-time
BALANCE AT NOVEMBER 30, 2021	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$67.87M	USD	Point-in-time
Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	$139.20K	USD	2 Qtrs
Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	$416.56K	USD	2 Qtrs
Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	-	USD	1 Quarter
Stock option expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$337.49K	USD	1 Quarter
Stock option expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$232.88K	USD	1 Quarter
Stock option expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$465.77K	USD	2 Qtrs
Stock option expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$667.01K	USD	2 Qtrs
Dividends paid to stockholders	`Dividends`	$645.51K	USD	1 Quarter
Dividends paid to stockholders	`Dividends`	$1.31M	USD	2 Qtrs
Dividends paid to stockholders	`Dividends`	$655.64K	USD	1 Quarter
Dividends paid to stockholders	`Dividends`	$1.29M	USD	2 Qtrs
Dividend received by non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$375.57K	USD	1 Quarter
Dividend received by non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$455.57K	USD	2 Qtrs
Dividend received by non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$302.73K	USD	2 Qtrs
Dividend received by non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$102.73K	USD	1 Quarter
Net income	`ProfitLoss`	$1.15M	USD	2 Qtrs
Net income	`ProfitLoss`	$520.07K	USD	1 Quarter
Net income	`ProfitLoss`	$5.02M	USD	2 Qtrs
Net income	`ProfitLoss`	$295.99K	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$26.30K	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$534.71K	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-382.77K	USD	2 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$480.80K	USD	2 Qtrs
Stock option expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$337.49K	USD	1 Quarter
Stock option expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$232.88K	USD	1 Quarter
Stock option expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$465.77K	USD	2 Qtrs
Stock option expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$667.01K	USD	2 Qtrs
Stock issued for employee stock purchase plan (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	3,620.00	shares	Point-in-time
Stock issued for employee stock purchase plan (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	2,636.00	shares	Point-in-time
Stock issued for employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$38.70K	USD	2 Qtrs
Stock issued for employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$38.53K	USD	2 Qtrs
BALANCE AT FEBRUARY 28, 2022	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$69.44M	USD	Point-in-time
BALANCE AT FEBRUARY 28, 2022	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$67.24M	USD	Point-in-time
BALANCE AT FEBRUARY 28, 2022	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$65.75M	USD	Point-in-time
BALANCE AT FEBRUARY 28, 2022	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$69.63M	USD	Point-in-time
BALANCE AT FEBRUARY 28, 2022	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$68.23M	USD	Point-in-time
BALANCE AT FEBRUARY 28, 2022	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$67.87M	USD	Point-in-time

Comprehensive Income 20 line items

Line Item	Tag	Value	Unit	Period
NET INCOME	`ProfitLoss`	$1.15M	USD	2 Qtrs
NET INCOME	`ProfitLoss`	$520.07K	USD	1 Quarter
NET INCOME	`ProfitLoss`	$5.02M	USD	2 Qtrs
NET INCOME	`ProfitLoss`	$295.99K	USD	1 Quarter
OTHER COMPREHENSIVE LOSS FOREIGN CURRENCY TRANSLATION ADJUSTMENT	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-382.77K	USD	2 Qtrs
OTHER COMPREHENSIVE LOSS FOREIGN CURRENCY TRANSLATION ADJUSTMENT	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$480.80K	USD	2 Qtrs
OTHER COMPREHENSIVE LOSS FOREIGN CURRENCY TRANSLATION ADJUSTMENT	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$26.30K	USD	1 Quarter
OTHER COMPREHENSIVE LOSS FOREIGN CURRENCY TRANSLATION ADJUSTMENT	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$534.71K	USD	1 Quarter
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.63M	USD	2 Qtrs
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.05M	USD	1 Quarter
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$4.64M	USD	2 Qtrs
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$322.28K	USD	1 Quarter
COMPREHENSIVE LOSS ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-292.10K	USD	2 Qtrs
COMPREHENSIVE LOSS ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-136.04K	USD	1 Quarter
COMPREHENSIVE LOSS ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-111.96K	USD	1 Quarter
COMPREHENSIVE LOSS ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-250.18K	USD	2 Qtrs
COMPREHENSIVE INCOME ATTRIBUTABLE TO NTIC	`ComprehensiveIncomeNetOfTax`	$1.88M	USD	2 Qtrs
COMPREHENSIVE INCOME ATTRIBUTABLE TO NTIC	`ComprehensiveIncomeNetOfTax`	$1.17M	USD	1 Quarter
COMPREHENSIVE INCOME ATTRIBUTABLE TO NTIC	`ComprehensiveIncomeNetOfTax`	$458.32K	USD	1 Quarter
COMPREHENSIVE INCOME ATTRIBUTABLE TO NTIC	`ComprehensiveIncomeNetOfTax`	$4.93M	USD	2 Qtrs

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