Note 13 - Segment and Geographic Information - Fees for Services Provided to Joint Ventures by Geographic Location as a Percentage of Total Fees (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
May 31, 2022 |
May 31, 2021 |
May 31, 2022 |
May 31, 2021 |
|
| Fees | $ 1,329,988 | $ 1,589,621 | $ 3,835,755 | $ 4,388,866 |
| Percentage of Total Fees | 100.00% | 100.00% | 100.00% | 100.00% |
| GERMANY | ||||
| Fees | $ 204,316 | $ 232,026 | $ 639,738 | $ 692,770 |
| Percentage of Total Fees | 15.40% | 14.60% | 16.70% | 15.80% |
| POLAND | ||||
| Fees | $ 171,181 | $ 226,174 | $ 520,807 | $ 626,527 |
| Percentage of Total Fees | 12.90% | 14.20% | 13.60% | 14.30% |
| JAPAN | ||||
| Fees | $ 168,075 | $ 200,270 | $ 486,815 | $ 561,725 |
| Percentage of Total Fees | 12.60% | 12.60% | 12.70% | 12.80% |
| FRANCE | ||||
| Fees | $ 123,869 | $ 119,172 | $ 355,827 | $ 322,717 |
| Percentage of Total Fees | 9.30% | 7.50% | 9.30% | 7.40% |
| SWEDEN | ||||
| Fees | $ 130,681 | $ 127,710 | $ 337,929 | $ 365,095 |
| Percentage of Total Fees | 9.80% | 8.00% | 8.80% | 8.30% |
| UNITED KINGDOM | ||||
| Fees | $ 89,363 | $ 113,886 | $ 271,027 | $ 247,560 |
| Percentage of Total Fees | 6.70% | 7.20% | 7.10% | 5.60% |
| THAILAND | ||||
| Fees | $ 95,574 | $ 108,842 | $ 271,046 | $ 306,151 |
| Percentage of Total Fees | 7.20% | 6.80% | 7.10% | 7.00% |
| FINLAND | ||||
| Fees | $ 92,036 | $ 75,577 | $ 257,635 | $ 223,356 |
| Percentage of Total Fees | 6.90% | 4.80% | 6.70% | 5.10% |
| CZECHIA | ||||
| Fees | $ 84,797 | $ 109,680 | $ 224,280 | $ 268,571 |
| Percentage of Total Fees | 6.40% | 6.90% | 5.80% | 6.10% |
| KOREA, REPUBLIC OF | ||||
| Fees | $ 78,542 | $ 78,507 | $ 205,342 | $ 241,805 |
| Percentage of Total Fees | 5.90% | 4.90% | 5.40% | 5.50% |
| Other Countries [Member] | ||||
| Fees | $ 91,554 | $ 197,777 | $ 265,309 | $ 532,589 |
| Percentage of Total Fees | 6.90% | 12.40% | 6.90% | 12.10% |