Note 12 - Fees for Services Provided to Joint Ventures by Geographic Location as a Percentage of Total Fees for Services Provided to Joint Ventures (Details) - USD ($)	3 Months Ended		6 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 29, 2016	Feb. 28, 2015
GERMANY
Fees	$ 192,869	$ 202,633	$ 422,654	$ 440,954
Percentage of total fees	19.90%	20.40%	17.20%	14.10%
POLAND
Fees	$ 145,765	$ 116,612	$ 285,023	$ 287,836
Percentage of total fees	15.00%	11.70%	11.60%	9.20%
JAPAN
Fees	$ 137,476	$ 124,202	$ 268,149	$ 284,544
Percentage of total fees	14.20%	12.50%	10.90%	9.10%
FRANCE
Fees	$ 73,112	$ 76,518	$ 162,785	$ 209,898
Percentage of total fees	7.50%	7.70%	6.60%	6.70%
THAILAND
Fees	$ 39,322	$ 156,519	$ 263,063	$ 297,152
Percentage of total fees	4.00%	15.70%	10.70%	9.50%
INDIA
Fees	$ 72,077	$ 73,971	$ 152,527	$ 143,262
Percentage of total fees	7.40%	7.40%	6.20%	4.60%
UNITED KINGDOM
Fees	$ 64,735	$ 115,000	$ 173,646	$ 211,371
Percentage of total fees	6.70%	11.60%	7.10%	6.80%
FINLAND
Fees	$ 52,896	$ 52,693	$ 121,829	$ 146,215
Percentage of total fees	5.50%	5.30%	5.00%	4.70%
SWEDEN
Fees	$ 50,356	$ 72,297	$ 123,317	$ 159,217
Percentage of total fees	5.20%	7.30%	5.00%	5.10%
CZECH REPUBLIC
Fees			$ 121,933	$ 108,649
Percentage of total fees			5.00%	3.40%
Other Countries [Member]
Fees	$ 142,434	$ 4,415	$ 361,545	$ 323,293
Percentage of total fees	14.60%	0.10%	14.70%	10.30%
CHINA
Fees				$ 516,139
Percentage of total fees			0.00%	16.50%
Fees	$ 971,042	$ 994,860	$ 2,456,471	$ 3,128,530
Percentage of total fees	100.00%	100.00%	100.00%	100.00%