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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, 2019 | Aug. 31, 2018
Fees | $ 5,727,579 | $ 6,142,139
GERMANY |  |
Fees | 852,526 | 900,316
JAPAN |  |
Fees | 748,489 | 759,418
POLAND |  |
Fees | 704,942 | 775,319
SWEDEN |  |
Fees | 589,654 | 600,336
FRANCE |  |
Fees | 430,537 | 532,565
THAILAND |  |
Fees | 418,334 | 429,319
INDIA |  |
Fees | 350,171 | 365,018
KOREA, REPUBLIC OF |  |
Fees | 346,244 | 370,171
CZECH REPUBLIC |  |
Fees | 345,798 | 377,844
UNITED KINGDOM |  |
Fees | 319,671 | 352,585
FINLAND |  |
Fees | 281,296 | 320,501
Other Countries [Member] |  |
Fees | $ 339,917 | $ 358,747

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