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Note 11 - Geographic And Segment Information (Detail) - 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, 2012
Nov. 30, 2011
Fees for services provided to joint ventures (in Dollars) $ 1,846,277 $ 1,445,252
Percentage of total fees for services provided to joint ventures 100.00% 100.00%
China [Member]
    
Fees for services provided to joint ventures (in Dollars) 493,312  
Percentage of total fees for services provided to joint ventures 26.70% 0.00%
Germany [Member]
    
Fees for services provided to joint ventures (in Dollars) 242,700 249,447
Percentage of total fees for services provided to joint ventures 13.10% 17.30%
Japan [Member]
    
Fees for services provided to joint ventures (in Dollars) 201,981 288,539
Percentage of total fees for services provided to joint ventures 10.90% 20.00%
Thailand [Member]
    
Fees for services provided to joint ventures (in Dollars) 153,687  
Percentage of total fees for services provided to joint ventures 8.30% 0.00%
Korea [Member]
    
Fees for services provided to joint ventures (in Dollars) 138,742 76,465
Percentage of total fees for services provided to joint ventures 7.50% 5.30%
France [Member]
    
Fees for services provided to joint ventures (in Dollars) 128,502 141,639
Percentage of total fees for services provided to joint ventures 7.00% 9.80%
Poland [Member]
    
Fees for services provided to joint ventures (in Dollars) 111,472 97,828
Percentage of total fees for services provided to joint ventures 6.00% 6.80%
Finland [Member]
    
Fees for services provided to joint ventures (in Dollars) 87,851 132,496
Percentage of total fees for services provided to joint ventures 4.80% 9.20%
Sweden [Member]
    
Fees for services provided to joint ventures (in Dollars) 86,992 156,657
Percentage of total fees for services provided to joint ventures 4.70% 10.80%
United Kingdom [Member]
    
Fees for services provided to joint ventures (in Dollars) 67,058 79,499
Percentage of total fees for services provided to joint ventures 3.60% 5.50%
India [Member]
    
Fees for services provided to joint ventures (in Dollars)   136,155
Percentage of total fees for services provided to joint ventures 0.00% 9.40%
Other Countries [Member]
    
Fees for services provided to joint ventures (in Dollars) $ 133,980 $ 86,527
Percentage of total fees for services provided to joint ventures 7.40% 6.00%