Note 11 - 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
	Nov. 30, 2014		Nov. 30, 2013
Three Months Ended [Member] | CHINA
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars)	$ 516,139	[1]	$ 588,182	[1]
Percentage of Total Fees for Services Provided to Joint Ventures	24.20%	[1]	27.90%	[1]
Three Months Ended [Member] | GERMANY
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars)	238,321		263,555
Percentage of Total Fees for Services Provided to Joint Ventures	11.20%		12.50%
Three Months Ended [Member] | POLAND
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars)	171,223		164,567
Percentage of Total Fees for Services Provided to Joint Ventures	8.00%		7.80%
Three Months Ended [Member] | JAPAN
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars)	160,341		173,282
Percentage of Total Fees for Services Provided to Joint Ventures	7.50%		8.20%
Three Months Ended [Member] | THAILAND
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars)	140,634	[1]	152,558	[1]
Percentage of Total Fees for Services Provided to Joint Ventures	6.60%	[1]	7.20%	[1]
Three Months Ended [Member] | FRANCE
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars)	133,379		128,103
Percentage of Total Fees for Services Provided to Joint Ventures	6.30%		6.10%
Three Months Ended [Member] | UNITED KINGDOM
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars)	96,371		74,697
Percentage of Total Fees for Services Provided to Joint Ventures	4.50%		3.50%
Three Months Ended [Member] | FINLAND
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars)	93,522		105,202
Percentage of Total Fees for Services Provided to Joint Ventures	4.40%		5.00%
Three Months Ended [Member] | SWEDEN
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars)	86,920		109,970
Percentage of Total Fees for Services Provided to Joint Ventures	4.10%		5.20%
Three Months Ended [Member] | INDIA
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars)	69,291
Percentage of Total Fees for Services Provided to Joint Ventures	3.20%		0.00%
Three Months Ended [Member] | Other Countries [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars)	236,030		188,108
Percentage of Total Fees for Services Provided to Joint Ventures	11.00%		8.90%
Three Months Ended [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars)	2,133,670		2,109,648
Percentage of Total Fees for Services Provided to Joint Ventures	100.00%		100.00%
KOREA, REPUBLIC OF
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars)	$ 191,499	[1]	$ 161,424	[1]
Percentage of Total Fees for Services Provided to Joint Ventures	9.00%	[1]	7.70%	[1]

[1] Joint venture owned by NTI Asean.