Note 11 - Segment and Geographical Information - Fees for Services Provided to Joint Ventures by Geographic Location as a Percentage of Total Fees (Details) - USD ($)	3 Months Ended
	Nov. 30, 2017	Nov. 30, 2016
Fees	$ 1,507,142	$ 1,315,591
Percentage of total fees	100.00%	100.00%
Fees	$ 1,507,142	$ 1,315,591
Percentage of total fees	100.00%	100.00%
GERMANY
Fees	$ 219,873	$ 203,000
Percentage of total fees	14.60%	15.40%
Fees	$ 219,873	$ 203,000
Percentage of total fees	14.60%	15.40%
POLAND
Fees	$ 206,076	$ 149,204
Percentage of total fees	13.70%	11.30%
Fees	$ 206,076	$ 149,204
Percentage of total fees	13.70%	11.30%
JAPAN
Fees	$ 174,045	$ 146,037
Percentage of total fees	11.50%	11.10%
Fees	$ 174,045	$ 146,037
Percentage of total fees	11.50%	11.10%
FRANCE
Fees	$ 139,641	$ 97,673
Percentage of total fees	9.30%	7.40%
Fees	$ 139,641	$ 97,673
Percentage of total fees	9.30%	7.40%
SWEDEN
Fees	$ 127,954	$ 87,061
Percentage of total fees	8.50%	6.60%
Fees	$ 127,954	$ 87,061
Percentage of total fees	8.50%	6.60%
UNITED KINGDOM
Fees	$ 111,775	$ 86,131
Percentage of total fees	7.40%	6.50%
Fees	$ 111,775	$ 86,131
Percentage of total fees	7.40%	6.50%
THAILAND
Fees	$ 102,531	$ 147,455
Percentage of total fees	6.80%	11.20%
Fees	$ 102,531	$ 147,455
Percentage of total fees	6.80%	11.20%
FINLAND
Fees	$ 89,627	$ 76,336
Percentage of total fees	5.90%	5.80%
Fees	$ 89,627	$ 76,336
Percentage of total fees	5.90%	5.80%
INDIA
Fees	$ 86,763	$ 64,535
Percentage of total fees	5.80%	4.90%
Fees	$ 86,763	$ 64,535
Percentage of total fees	5.80%	4.90%
CZECH REPUBLIC
Fees	$ 84,225	$ 70,828
Percentage of total fees	5.60%	5.40%
Fees	$ 84,225	$ 70,828
Percentage of total fees	5.60%	5.40%
KOREA, REPUBLIC OF
Fees	$ 83,488	$ 105,378
Percentage of total fees	5.50%	8.00%
Fees	$ 83,488	$ 105,378
Percentage of total fees	5.50%	8.00%
Other Countries [Member]
Fees	$ 81,144	$ 81,953
Percentage of total fees	5.40%	6.20%
Fees	$ 81,144	$ 81,953
Percentage of total fees	5.40%	6.20%