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Note 12 - 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, 2016 | Aug. 31, 2015
GERMANY |  |
Fees | $ 845,857 | $ 873,400
JAPAN |  |
Fees | 646,015 | 599,108
POLAND |  |
Fees | 599,391 | 600,255
THAILAND |  |
Fees | 537,212 | 554,881
UNITED KINGDOM |  |
Fees | 386,761 | 396,514
KOREA, REPUBLIC OF |  |
Fees | 352,393 | 192,539
FRANCE |  |
Fees | 329,805 | 412,608
INDIA |  |
Fees | 300,506 | 277,548
SWEDEN |  |
Fees | 265,745 | 323,610
FINLAND |  |
Fees | 252,578 | 281,620
CZECH REPUBLIC |  |
Fees | 237,062 | 229,185
CHINA |  |
Fees | 0 | 494,080
Other Countries [Member] |  |
Fees | 384,385 | 480,143
Fees | $ 5,137,710 | $ 5,715,491

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