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Note 12 - Segment and Geographic Information - Cost of Goods Sold by Segment (Details) - USD ($) | 3 Months Ended
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Nov. 30, 2024 | Nov. 30, 2023
Cost of goods sold | $ 13,175,440 | $ 12,847,401
Direct Cost of Goods Sold [Member] | ZERUST [Member] |  |
Cost of goods sold | $ 8,678,706 | $ 8,744,024
Cost of goods sold, percentage | 56.10% | 56.80%
Direct Cost of Goods Sold [Member] | NaturTec [Member] |  |
Cost of goods sold | $ 3,689,183 | $ 3,228,583
Cost of goods sold, percentage | 62.90% | 67.60%
Indirect Cost of Goods Sold [Member] |  |
Cost of goods sold | $ 807,551 | $ 874,794

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- Definition Represents cost of goods sold as percentage of product sales. + References No definition available. + Details
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Balance Type: | na
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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(2)(d)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(2)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |