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 $)	12 Months Ended
Aug. 31, 2014	Aug. 31, 2013
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	$ 8,142,863	$ 7,352,980
Percentage of Total Fees for Services Provided to Joint Ventures	100.00%	100.00%
China [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	2,118,018	2,063,369
Percentage of Total Fees for Services Provided to Joint Ventures	26.00%	28.10%
Germany [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	1,032,234	1,004,958
Percentage of Total Fees for Services Provided to Joint Ventures	12.70%	13.70%
Japan [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	669,522	723,977
Percentage of Total Fees for Services Provided to Joint Ventures	8.20%	9.80%
Poland [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	652,291	525,282
Percentage of Total Fees for Services Provided to Joint Ventures	8.00%	7.10%
Thailand [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	604,316	621,807
Percentage of Total Fees for Services Provided to Joint Ventures	7.40%	8.40%
France [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	508,705	496,897
Percentage of Total Fees for Services Provided to Joint Ventures	6.20%	6.80%
Sweden [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	440,117	415,547
Percentage of Total Fees for Services Provided to Joint Ventures	5.40%	5.70%
United Kingdom [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	385,294	236,125
Percentage of Total Fees for Services Provided to Joint Ventures	4.70%	3.20%
India [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	364,918
Percentage of Total Fees for Services Provided to Joint Ventures	4.50%	0.00%
Finland [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	355,391	321,256
Percentage of Total Fees for Services Provided to Joint Ventures	4.40%	4.40%
Korea [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	315,916	393,307
Percentage of Total Fees for Services Provided to Joint Ventures	3.90%	5.30%
Czech [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	288,367	210,827
Percentage of Total Fees for Services Provided to Joint Ventures	3.60%	2.90%
Other Countries [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	$ 407,775	$ 339,628
Percentage of Total Fees for Services Provided to Joint Ventures	5.00%	4.60%

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 $)

12 Months Ended

Aug. 31, 2014

Aug. 31, 2013

Segment Reporting, Revenue Reconciling Item [Line Items]

Fees for Services Provided to Joint Ventures (in Dollars)

$ 8,142,863

$ 7,352,980

Percentage of Total Fees for Services Provided to Joint Ventures

100.00%

China [Member]

Segment Reporting, Revenue Reconciling Item [Line Items]

Fees for Services Provided to Joint Ventures (in Dollars)