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Note 13 - Segment and Geographic Information - Net Sales by Geographic Location (Details) - USD ($)	3 Months Ended		6 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021
Net sales	$ 16,748,639	$ 12,782,882	$ 34,942,052	$ 25,561,994
Inside the USA to Unaffiliated Customers [Member]
Net sales	5,115,963	4,619,130	11,272,285	9,480,485
Joint Ventures in Which the Company is a Shareholder Directly and Indirectly Outside the USA [Member]
Net sales	883,513	526,942	1,723,952	1,107,246
Unaffiliated Customers Outside the USA [Member]
Net sales	$ 10,749,163	$ 7,636,810	$ 21,945,815	$ 14,974,262

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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