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v3.23.3

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, 2023 USD ($) | Aug. 31, 2022 USD ($)
Number of Countries in which Entity Operates |  |  | 65 |
Number of Operating Segments |  |  | 2 |
Number of Joint Venture Arrangements |  |  | 15 |
Accounts Receivable, Allowance for Credit Loss |  |  | $ 533,000 | $ 439,000
Tax Credit Carryforward, Amount Subject to Approval |  |  | $ 1,139,756 |
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 |  |
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] | Building and Building Improvements [Member] |  |  |  |
Property, Plant and Equipment, Useful Life |  |  | 30 years |
Maximum [Member] | Machinery and Equipment [Member] |  |  |  |
Property, Plant and Equipment, Useful Life |  |  | 10 years |
Maximum [Member] | Various Joint Ventures [Member] |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  | 50.00% |
Minimum [Member] | Building and Building Improvements [Member] |  |  |  |
Property, Plant and Equipment, Useful Life |  |  | 5 years |
Minimum [Member] | Machinery and Equipment [Member] |  |  |  |
Property, Plant and Equipment, Useful Life |  |  | 3 years |

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- Definition Amount of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-4 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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