Note 12 - 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		6 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2017	Feb. 29, 2016
Fees	$ 1,184,028	$ 971,042	$ 2,499,619	$ 2,456,471
Percentage of total fees	100.00%	100.00%	100.00%	100.00%
GERMANY
Fees	$ 199,509	$ 192,869	$ 402,509	$ 422,654
Percentage of total fees	16.80%	19.90%	16.10%	17.20%
POLAND
Fees	$ 153,453	$ 145,765	$ 302,657	$ 285,023
Percentage of total fees	13.00%	15.00%	12.10%	11.60%
JAPAN
Fees	$ 145,722	$ 137,476	$ 291,759	$ 268,149
Percentage of total fees	12.30%	14.20%	11.70%	10.90%
THAILAND
Fees	$ 87,627	$ 39,322	$ 235,081	$ 263,063
Percentage of total fees	7.40%	4.00%	9.40%	10.70%
KOREA, REPUBLIC OF
Fees	$ 86,103	$ 2,500	$ 191,481	$ 171,902
Percentage of total fees	7.30%	0.30%	7.60%	7.00%
FRANCE
Fees	$ 83,112	$ 73,112	$ 180,785	$ 162,785
Percentage of total fees	7.00%	7.50%	7.20%	6.60%
SWEDEN
Fees	$ 77,464	$ 50,356	$ 164,525	$ 123,317
Percentage of total fees	6.50%	5.20%	6.60%	5.00%
CZECH REPUBLIC
Fees	$ 73,286	$ 64,381	$ 144,114	$ 121,933
Percentage of total fees	6.20%	6.60%	5.80%	5.00%
FINLAND
Fees	$ 66,946	$ 52,896	$ 143,282	$ 121,829
Percentage of total fees	5.70%	5.50%	5.70%	5.00%
UNITED KINGDOM
Fees	$ 53,241	$ 64,735	$ 139,372	$ 173,646
Percentage of total fees	4.50%	6.70%	5.60%	7.10%
INDIA
Fees	$ 74,196	$ 72,077	$ 138,731	$ 152,527
Percentage of total fees	6.30%	7.40%	5.60%	6.20%
Other Countries [Member]
Fees	$ 83,369	$ 75,553	$ 165,323	$ 189,643
Percentage of total fees	7.00%	7.70%	6.60%	7.70%