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Note 9 - Derivative Financial Instruments (Details) - Foreign currency exchange contracts (USD $)
Jun. 30, 2013
Jun. 30, 2012
Note 9 - Derivative Financial Instruments (Details) - Foreign currency exchange contracts [Line Items]    
Notional Amount $ 50,000,000  
Mexico, Pesos
    
Note 9 - Derivative Financial Instruments (Details) - Foreign currency exchange contracts [Line Items]    
Notional Amount   3,750,000
Euro Member Countries, Euro
    
Note 9 - Derivative Financial Instruments (Details) - Foreign currency exchange contracts [Line Items]    
Notional Amount 48,349,064 2,350,000
Canada, Dollars
    
Note 9 - Derivative Financial Instruments (Details) - Foreign currency exchange contracts [Line Items]    
Notional Amount 3,600,000 1,250,000
United Kingdom, Pounds
    
Note 9 - Derivative Financial Instruments (Details) - Foreign currency exchange contracts [Line Items]    
Notional Amount 2,580,289 933,473
Singapore, Dollars
    
Note 9 - Derivative Financial Instruments (Details) - Foreign currency exchange contracts [Line Items]    
Notional Amount   $ 1,500,000