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, 2013		Aug. 31, 2012
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	$ 7,352,980		$ 4,622,912
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)	2,063,369	[1]		[1]
Percentage of Total Fees for Services Provided to Joint Ventures	28.10%	[1]	0.00%	[1]
Germany [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	1,004,958		994,347
Percentage of Total Fees for Services Provided to Joint Ventures	13.70%		21.50%
Japan [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	723,977		1,022,386
Percentage of Total Fees for Services Provided to Joint Ventures	9.80%		22.10%
Thailand [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	621,807	[1]		[1]
Percentage of Total Fees for Services Provided to Joint Ventures	8.40%	[1]	0.00%	[1]
Poland [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	525,282		456,837
Percentage of Total Fees for Services Provided to Joint Ventures	7.10%		9.90%
France [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	496,897		517,708
Percentage of Total Fees for Services Provided to Joint Ventures	6.80%		11.20%
Sweden [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	415,547		587,069
Percentage of Total Fees for Services Provided to Joint Ventures	5.70%		12.70%
Korea [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	393,307	[2]		[2]
Percentage of Total Fees for Services Provided to Joint Ventures	5.30%	[2]	0.00%	[2]
Finland [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	321,256		491,988
Percentage of Total Fees for Services Provided to Joint Ventures	4.40%		10.60%
United Kingdom [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	236,125		309,938
Percentage of Total Fees for Services Provided to Joint Ventures	3.20%		6.70%
India [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)			(192,758)
Percentage of Total Fees for Services Provided to Joint Ventures	0.00%		(4.10%)
Other Countries [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Fees for Services Provided to Joint Ventures (in Dollars)	$ 550,455		$ 435,398
Percentage of Total Fees for Services Provided to Joint Ventures	7.50%		9.40%

[1] Joint venture owned by NTI Asean.

[2] Joint venture owned by NTI Asean as of August 31, 2013, but not as of August 31, 2012. NTI Asean results are not included on the consolidated financial statements for the year ended August 31, 2012. (See Note 2)