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v3.21.4

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. 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