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	9 Months Ended
May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015
GERMANY
Fees	$ 242,158	$ 219,182	$ 664,812	$ 660,135
Percentage of total fees	17.90%	16.80%	17.40%	14.90%
POLAND
Fees	$ 167,237	$ 149,771	$ 452,260	$ 437,607
Percentage of total fees	12.40%	11.50%	11.80%	9.90%
JAPAN
Fees	$ 148,091	$ 124,772	$ 416,241	$ 409,316
Percentage of total fees	11.00%	9.60%	10.90%	9.20%
UNITED KINGDOM
Fees	$ 135,068	$ 93,229	$ 292,216	$ 304,600
Percentage of total fees	10.00%	7.20%	7.70%	6.90%
THAILAND
Fees	$ 132,548	$ 128,164	$ 395,611	$ 425,316
Percentage of total fees	9.80%	9.80%	10.40%	9.60%
FRANCE
Fees	$ 87,588	$ 108,788	$ 250,373	$ 318,686
Percentage of total fees	6.50%	8.40%	6.60%	7.20%
KOREA, REPUBLIC OF
Fees	$ 74,085	$ 70,984	$ 247,730	$ 133,405
Percentage of total fees	5.50%	5.40%	6.50%	3.00%
INDIA
Fees	$ 70,610	$ 72,285	$ 223,137	$ 215,548
Percentage of total fees	5.20%	5.50%	5.90%	4.90%
SWEDEN
Fees	$ 66,239	$ 103,234	$ 189,556	$ 262,451
Percentage of total fees	4.90%	7.90%	5.00%	5.90%
FINLAND
Fees	$ 55,876	$ 74,711	$ 177,704	$ 220,926
Percentage of total fees	4.10%	5.70%	4.70%	5.00%
CZECH REPUBLIC
Fees	$ 54,537	$ 56,843	$ 176,470	$ 165,492
Percentage of total fees	4.00%	4.30%	4.60%	3.70%
Other Countries [Member]
Fees	$ 117,876	$ 102,001	$ 322,274	$ 362,872
Percentage of total fees	8.70%	7.80%	8.50%	8.20%
CHINA
Fees				$ 516,139
Percentage of total fees			0.00%	11.60%
Fees	$ 1,351,913	$ 1,303,964	$ 3,808,384	$ 4,432,494
Percentage of total fees	100.00%	100.00%	100.00%	100.00%