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Note 11 - Segment and Geographic Information - Net Sales by Geographic Location (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Feb. 29, 2024 | Feb. 28, 2023 | Feb. 29, 2024 | Feb. 28, 2023
Net sales | $ 20,842,538 | $ 18,270,825 | $ 41,024,213 | $ 38,223,591
Inside the USA to Unaffiliated Customers [Member] |  |  |  |
Net sales | 6,840,855 | 6,750,997 | 14,073,236 | 14,229,158
Joint Ventures in Which the Company is a Shareholder Directly and Indirectly Outside the USA [Member] |  |  |  |
Net sales | 611,926 | 1,529,763 | 1,463,377 | 2,163,228
Unaffiliated Customers Outside the USA [Member] |  |  |  |
Net sales | $ 13,389,757 | $ 9,990,065 | $ 25,487,600 | $ 21,831,205

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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