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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, 2024 USD ($)	Aug. 31, 2023 USD ($)
Number of Countries in which Entity Operates			65
Number of Operating Segments			2
Number of Joint Venture Arrangements			15
Inventory Valuation Reserves			$ 365,341	$ 733,965
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 Credits [Member]
Tax Credit Carryforward, Amount Subject to Approval	$ 566,006	$ 573,751
Tax Credit Carryforward, Amount			$ 0
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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