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Note 13 - Segment and Geographic Information - Net Sales by Segment (Details) - USD ($)	3 Months Ended
	Nov. 30, 2021	Nov. 30, 2020
Revenues, Total	$ 18,193,413	$ 12,779,112
ZERUST [Member]
Revenues, Total	14,423,785	10,220,551
NaturTec [Member]
Revenues, Total	$ 3,769,628	$ 2,558,561

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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X

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X

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