Note 12 - Geographic and Segment Information (Details) - Fees for Services Provided to Joint Ventures by Geographic Location as a Percentage of Total Fees for Services Provided to Joint Ventures - USD ($)	3 Months Ended		9 Months Ended
	May. 31, 2015	May. 31, 2014	May. 31, 2015	May. 31, 2014
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for services provided (in Dollars)	$ 1,303,964	$ 2,001,775	$ 4,432,494	$ 6,169,094
Fees for services provided, percentage	100.00%	100.00%	100.00%	100.00%
GERMANY
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for services provided (in Dollars)	$ 219,182	$ 257,215	$ 660,135	$ 784,326
Fees for services provided, percentage	16.80%	12.80%	14.90%	12.70%
POLAND
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for services provided (in Dollars)	$ 149,771	$ 152,157	$ 437,607	$ 469,242
Fees for services provided, percentage	11.50%	7.60%	9.90%	7.60%
THAILAND
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for services provided (in Dollars)	$ 128,164	$ 148,113	$ 425,316	$ 431,112
Fees for services provided, percentage	9.80%	7.40%	9.60%	7.00%
JAPAN
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for services provided (in Dollars)	$ 124,772	$ 170,079	$ 409,316	$ 510,769
Fees for services provided, percentage	9.60%	8.50%	9.20%	8.30%
FRANCE
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for services provided (in Dollars)	$ 108,788	$ 139,719	$ 318,686	$ 390,794
Fees for services provided, percentage	8.40%	7.00%	7.20%	6.30%
SWEDEN
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for services provided (in Dollars)	$ 103,234	$ 130,613	$ 262,451	$ 332,806
Fees for services provided, percentage	7.90%	6.50%	5.90%	5.40%
UNITED KINGDOM
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for services provided (in Dollars)	$ 93,229	$ 127,697	$ 304,600	$ 282,329
Fees for services provided, percentage	7.20%	6.40%	6.90%	4.60%
FINLAND
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for services provided (in Dollars)	$ 74,711	$ 87,416	$ 220,926	$ 269,155
Fees for services provided, percentage	5.70%	4.40%	5.00%	4.40%
INDIA
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for services provided (in Dollars)	$ 72,285	$ 204,777	$ 215,548	$ 371,635
Fees for services provided, percentage	5.50%	10.20%	4.90%	6.00%
CHINA
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for services provided (in Dollars)		$ 478,979	$ 516,139	$ 1,590,612
Fees for services provided, percentage	0.00%	23.90%	11.60%	25.80%
Other Countries [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for services provided (in Dollars)	$ 229,828	$ 104,840	$ 661,770	$ 736,314
Fees for services provided, percentage	17.60%	5.30%	14.90%	11.90%