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Note 11 - Segment and Geographic Information - Fees for Services Provided to Joint Ventures by Geographic Location as a Percentage of Total Fees (Details) - USD ($) | 12 Months Ended
--- | ---
Aug. 31, 2020 | Aug. 31, 2019
Fees | $ 4,612,885 | $ 5,727,579
GERMANY |  |
Fees | 843,752 | 852,526
JAPAN |  |
Fees | 628,889 | 748,489
POLAND |  |
Fees | 553,198 | 704,942
SWEDEN |  |
Fees | 372,017 | 589,654
THAILAND |  |
Fees | 328,452 | 418,334
FRANCE |  |
Fees | 310,661 | 430,537
CZECHIA |  |
Fees | 270,032 | 345,798
KOREA, REPUBLIC OF |  |
Fees | 266,703 | 346,244
FINLAND |  |
Fees | 256,375 | 281,295
UNITED KINGDOM |  |
Fees | 255,121 | 319,671
INDIA |  |
Fees | 250,976 | 350,172
Other Countries [Member] |  |
Fees | $ 276,709 | $ 339,917

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