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v3.23.4

Note 14 - Income Taxes (Details Textual) - USD ($) | 3 Months Ended
--- | ---
Nov. 30, 2023 | Nov. 30, 2022
Foreign Withholding Tax | $ 226,796 | $ 110,733

X
- Definition The amount of foreign withholding tax. + References No definition available. + Details
Name: | ntic_ForeignWithholdingTax
Namespace Prefix: | ntic_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration