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Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) (USD $)
 6 Months Ended
Dec. 31, 2013
Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 0.25%
United States [Member]
  
Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) [Line Items]  
Line of Credit Facility, Remaining Borrowing Capacity (in Dollars) $ 30,000,000
Canada [Member]
  
Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) [Line Items]  
Line of Credit Facility, Remaining Borrowing Capacity (in Dollars) 5,000,000
Line of Credit Facility, Amount Outstanding (in Dollars) $ 0
London Interbank Offered Rate (LIBOR) [Member]
  
Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 2.00%
Minimum [Member]
  
Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 1.75%
Maximum [Member]
  
Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 2.15%