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Note 13 - Segment and Geographic Information - Total Net Sales by Geographic Distribution (Details) - USD ($)	3 Months Ended
	Nov. 30, 2021	Nov. 30, 2020
Revenues, Total	$ 18,193,413	$ 12,779,112
CHINA
Revenues, Total	4,057,853	4,543,978
BRAZIL
Revenues, Total	1,296,217	713,853
INDIA
Revenues, Total	4,476,984	1,200,468
Other Countries [Member]
Revenues, Total	2,206,037	1,459,458
UNITED STATES
Revenues, Total	$ 6,156,322	$ 4,861,355

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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