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Note 10 - 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
May 31, 2014
May 31, 2013
Three Months Ended [Member] | CHINA
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) $ 478,979 $ 524,724
Percentage of Total Fees for Services Provided to Joint Ventures 23.90% 27.30%
Three Months Ended [Member] | GERMANY
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 257,215 250,000
Percentage of Total Fees for Services Provided to Joint Ventures 12.80% 13.00%
Three Months Ended [Member] | INDIA
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 204,777  
Percentage of Total Fees for Services Provided to Joint Ventures 10.20% 0.00%
Three Months Ended [Member] | JAPAN
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 170,079 177,432
Percentage of Total Fees for Services Provided to Joint Ventures 8.50% 9.30%
Three Months Ended [Member] | POLAND
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 152,157 113,339
Percentage of Total Fees for Services Provided to Joint Ventures 7.60% 5.90%
Three Months Ended [Member] | THAILAND
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 148,113 169,085
Percentage of Total Fees for Services Provided to Joint Ventures 7.40% 8.80%
Three Months Ended [Member] | FRANCE
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 139,719 104,645
Percentage of Total Fees for Services Provided to Joint Ventures 7.00% 5.50%
Three Months Ended [Member] | SWEDEN
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 130,613 141,000
Percentage of Total Fees for Services Provided to Joint Ventures 6.50% 7.40%
Three Months Ended [Member] | UNITED KINGDOM
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 127,697 65,193
Percentage of Total Fees for Services Provided to Joint Ventures 6.40% 3.40%
Three Months Ended [Member] | FINLAND
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 87,416 85,246
Percentage of Total Fees for Services Provided to Joint Ventures 4.40% 4.40%
Three Months Ended [Member] | CZECH REPUBLIC
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 71,489 55,322
Percentage of Total Fees for Services Provided to Joint Ventures 3.60% 2.90%
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) 33,351 231,961
Percentage of Total Fees for Services Provided to Joint Ventures 1.70% 12.10%
Three Months Ended [Member]
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 2,001,775 1,917,947
Percentage of Total Fees for Services Provided to Joint Ventures 100.00% 100.00%
Six Months Ended [Member] | CHINA
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 1,590,612 1,468,622
Percentage of Total Fees for Services Provided to Joint Ventures 25.80% 26.50%
Six Months Ended [Member] | GERMANY
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 784,326 742,213
Percentage of Total Fees for Services Provided to Joint Ventures 12.70% 13.40%
Six Months Ended [Member] | INDIA
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 371,635  
Percentage of Total Fees for Services Provided to Joint Ventures 6.00% 0.00%
Six Months Ended [Member] | JAPAN
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 510,769 548,618
Percentage of Total Fees for Services Provided to Joint Ventures 8.30% 9.90%
Six Months Ended [Member] | POLAND
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 469,242 379,650
Percentage of Total Fees for Services Provided to Joint Ventures 7.60% 6.90%
Six Months Ended [Member] | THAILAND
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 431,112 471,074
Percentage of Total Fees for Services Provided to Joint Ventures 7.00% 8.50%
Six Months Ended [Member] | FRANCE
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 390,794 381,043
Percentage of Total Fees for Services Provided to Joint Ventures 6.30% 6.90%
Six Months Ended [Member] | SWEDEN
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 332,806 305,619
Percentage of Total Fees for Services Provided to Joint Ventures 5.40% 5.50%
Six Months Ended [Member] | UNITED KINGDOM
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 282,329 168,005
Percentage of Total Fees for Services Provided to Joint Ventures 4.60% 3.10%
Six Months Ended [Member] | FINLAND
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 269,155 245,426
Percentage of Total Fees for Services Provided to Joint Ventures 4.40% 4.40%
Six Months Ended [Member] | CZECH REPUBLIC
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 229,230 147,741
Percentage of Total Fees for Services Provided to Joint Ventures 3.70% 2.70%
Six Months Ended [Member] | Other Countries [Member]
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) 507,084 677,094
Percentage of Total Fees for Services Provided to Joint Ventures 8.20% 12.20%
Six Months Ended [Member]
    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Fees for Services Provided to Joint Ventures (in Dollars) (in Dollars) $ 6,169,094 $ 5,535,105
Percentage of Total Fees for Services Provided to Joint Ventures 100.00% 100.00%