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Note 11 - Segment and Geographic Information - Total Net Sales by Geographic Distribution (Details) - USD ($)	12 Months Ended
	Aug. 31, 2020	Aug. 31, 2019
Net sales by segment	$ 47,638,691	$ 55,750,137
CHINA
Net sales by segment	13,409,770	13,030,298
BRAZIL
Net sales by segment	2,753,930	3,151,509
INDIA
Net sales by segment	5,655,797	8,109,468
Other Countries [Member]
Net sales by segment	5,600,982	6,898,403
UNITED STATES
Net sales by segment	$ 20,218,212	$ 24,560,459

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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