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v3.25.3

Note 12 - Segment and Geographic Information - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) | 12 Months Ended
--- | ---
Aug. 31, 2025 | Aug. 31, 2024
Gross profit | $ 31,676,555 | $ 33,786,362
Indirect cost of goods sold | (52,557,919) | (51,273,155)
Total joint venture operations | 8,545,207 | 9,475,078
Selling expenses | (17,820,196) | (16,413,672)
General and administrative expenses | (14,792,988) | (14,176,494)
Research and development expenses | (5,038,281) | (4,802,791)
Interest income | 308,054 | 118,827
Interest expense | (599,927) | (340,129)
Other income | 752,971 | 0
Income before income tax expense | 3,031,395 | 7,647,181
Indirect Cost of Goods Sold [Member] |  |
Indirect cost of goods sold | (3,028,311) | (3,501,176)
Operating Segments [Member] |  |
Gross profit | 34,704,866 | 37,287,538
ZERUST [Member] | Operating Segments [Member] |  |
Gross profit | 26,953,091 | 29,468,741
NaturTec [Member] | Operating Segments [Member] |  |
Gross profit | $ 7,751,775 | $ 7,818,797

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