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v3.25.3

Note 1 - Nature of Business and Significant Accounting Policies (Details Textual) | 3 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2023 USD ($) | Feb. 28, 2023 USD ($) | Aug. 31, 2025 USD ($) | Aug. 31, 2024 USD ($)
Number of Countries in which Entity Operates |  |  | 65 |
Number of Operating Segments |  |  | 2 |
Number of Joint Venture Arrangements |  |  | 15 |
Proceeds from Lines of Credit |  |  | $ 31,987,921 | $ 37,672,308
Repayments of Lines of Credit |  |  | 26,950,508 | 36,980,700
Inventory Valuation Reserves |  |  | 422,344 | 365,341
Goodwill, Impairment Loss |  |  | $ 0 | 0
Patents [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 17 years |
Customer Relationships [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 15 years |
Employee Retention Credit [Member] |  |  |  |
Government Assistance, Income, Increase (Decrease) |  |  | $ 1,139,756 |
Government Assistance, Nonoperating Income, Increase (Decrease) |  |  | $ 181,529 |
Government Assistance, Income, Increase (Decrease), Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  | OTHER INCOME |
Government Assistance, Nonoperating Income, Increase (Decrease), Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  | INTEREST INCOME |
Employee Retention Credits [Member] |  |  |  |
Tax Credit Carryforward, Amount Subject to Approval | $ 566,006 | $ 573,751 |  |
Previously Reported [Member] |  |  |  |
Proceeds from Lines of Credit |  |  |  | $ 691,608
Natur-Tech India [Member] |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  | 75.00% |
Natur Tec Lanka [Member] |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  | 75.00% |
Zerust Brazil [Member] |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  | 85.00% |
NTI Asean LLC [Member] |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  | 60.00% |
Maximum [Member] | Various Joint Ventures [Member] |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  | 50.00% |

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