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Note 11 - Segment and Geographic Information - Net Sales by Geographic Location (Details) - USD ($)	3 Months Ended		6 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022
Net sales	$ 18,270,825	$ 16,748,639	$ 38,223,591	$ 34,942,052
Inside the USA to Unaffiliated Customers [Member]
Net sales	6,750,997	5,115,963	14,229,158	11,272,285
Joint Ventures in Which the Company is a Shareholder Directly and Indirectly Outside the USA [Member]
Net sales	1,529,763	883,513	2,163,228	1,723,952
Unaffiliated Customers Outside the USA [Member]
Net sales	$ 9,990,065	$ 10,749,163	$ 21,831,205	$ 21,945,815

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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