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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, 2013
Nov. 30, 2012
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) $ 2,109,648 $ 1,846,277
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) 588,182 [1] 493,312 [1]
Percentage of Total Fees for Services Provided to Joint Ventures 27.90% [1] 26.70% [1]
Germany [Member]
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) 263,555 242,700
Percentage of Total Fees for Services Provided to Joint Ventures 12.50% 13.10%
Japan [Member]
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) 173,282 201,981
Percentage of Total Fees for Services Provided to Joint Ventures 8.20% 10.90%
Poland [Member]
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) 164,567 111,472
Percentage of Total Fees for Services Provided to Joint Ventures 7.80% 6.00%
Korea [Member]
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) 161,424 [1] 138,742 [1]
Percentage of Total Fees for Services Provided to Joint Ventures 7.70% [1] 7.50% [1]
Thailand [Member]
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) 152,558 [1] 153,687 [1]
Percentage of Total Fees for Services Provided to Joint Ventures 7.20% [1] 8.30% [1]
France [Member]
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) 128,103 128,502
Percentage of Total Fees for Services Provided to Joint Ventures 6.10% 7.00%
Sweden [Member]
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) 109,970 86,992
Percentage of Total Fees for Services Provided to Joint Ventures 5.20% 4.70%
Finland [Member]
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) 105,202 87,851
Percentage of Total Fees for Services Provided to Joint Ventures 5.00% 4.80%
United Kingdom [Member]
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) 74,697 67,058
Percentage of Total Fees for Services Provided to Joint Ventures 3.50% 3.60%
Other Countries [Member]
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) $ 188,108 $ 133,980
Percentage of Total Fees for Services Provided to Joint Ventures 8.90% 7.40%
[1] Joint venture owned by NTI Asean.