Note 11 - Segment and Geographic Information - Total Long-lived Assets by Geographic Distribution (Details) - USD ($)	Aug. 31, 2023	Aug. 31, 2022
Property, plant, and equipment	$ 14,065,354	$ 12,170,493
CHINA
Property, plant, and equipment	5,729,080	5,826,898
Other Countries [Member]
Property, plant, and equipment	745,469	565,022
UNITED STATES
Property, plant, and equipment	$ 7,590,805	$ 5,778,573

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 10
-Topic 360
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(8))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 360
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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