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v3.23.3

Note 12 - Employee Retention Credit (Details Textual) | 12 Months Ended
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Aug. 31, 2023 USD ($)
Tax Credit Carryforward, Amount Subject to Approval | $ 1,139,756

X
- Definition tax credit carryfoward subject to approval. + References No definition available. + Details
Name: | ntic_TaxCreditCarryforwardAmountSubjectToApproval
Namespace Prefix: | ntic_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration