Note 13 - Fees for Services Provided to Joint Ventures by Geographic Location as a Percentage of Total Fees for Services Provided to Joint Ventures (Details) - USD ($)	12 Months Ended
Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2013
GERMANY
Fees for services provided	$ 873,400	$ 1,032,234	$ 1,004,958
Fees for services provided, percentage	15.30%	12.70%	13.70%
POLAND
Fees for services provided	$ 600,255	$ 652,291	$ 525,282
Fees for services provided, percentage	10.50%	8.00%	7.10%
JAPAN
Fees for services provided	$ 599,108	$ 669,522	$ 723,977
Fees for services provided, percentage	10.50%	8.20%	9.80%
THAILAND
Fees for services provided	$ 554,881	$ 604,316	$ 621,807
Fees for services provided, percentage	9.70%	7.40%	8.40%
CHINA
Fees for services provided	$ 494,080	$ 2,118,018	$ 2,063,369
Fees for services provided, percentage	8.60%	26.00%	28.10%
FRANCE
Fees for services provided	$ 412,608	$ 508,705	$ 496,897
Fees for services provided, percentage	7.20%	6.20%	6.80%
UNITED KINGDOM
Fees for services provided	$ 396,514	$ 385,294	$ 236,125
Fees for services provided, percentage	6.90%	4.70%	3.20%
SWEDEN
Fees for services provided	$ 323,610	$ 440,117	$ 415,547
Fees for services provided, percentage	5.70%	5.40%	5.70%
INDIA
Fees for services provided	$ 277,548	$ 364,918
Fees for services provided, percentage	4.90%	4.50%	0.00%
CZECH REPUBLIC
Fees for services provided	$ 229,185	$ 288,367	$ 210,827
Fees for services provided, percentage	4.00%	3.60%	2.90%
Korea [Member]
Fees for services provided	$ 192,539	$ 315,916	$ 393,307
Fees for services provided, percentage	3.40%	3.90%	5.30%
FINLAND
Fees for services provided	$ 281,620	$ 355,391	$ 321,256
Fees for services provided, percentage	4.90%	4.40%	4.40%
Other Countries [Member]
Fees for services provided	$ 480,143	$ 407,775	$ 339,628
Fees for services provided, percentage	8.40%	5.00%	4.60%
Fees for services provided	$ 5,715,491	$ 8,142,863	$ 7,352,980
Fees for services provided, percentage	100.00%	100.00%	100.00%