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Note 11 - Segment and Geographic Information - Net Sales by Segment (Details) - USD ($)	3 Months Ended
	Nov. 30, 2020	Nov. 30, 2019
Net sales	$ 12,779,112	$ 14,631,400
ZERUST [Member]
Net sales	10,220,551	9,949,512
NaturTec [Member]
Net sales	$ 2,558,561	$ 4,681,888

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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+ Details

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X

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X

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