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Note 11 - Segment and Geographic Information - Net Sales by Segment (Details) - USD ($)	3 Months Ended		9 Months Ended
	May 31, 2020	May 31, 2019	May 31, 2020	May 31, 2019
Net sales	$ 9,744,823	$ 14,893,117	$ 37,610,006	$ 42,302,573
ZERUST [Member]
Net sales	7,356,781	10,077,203	26,322,515	29,250,772
NaturTec [Member]
Net sales	$ 2,388,042	$ 4,815,914	$ 11,287,491	$ 13,051,801

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).

+ References

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