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Note 7 - Long-Term Debt (Tables)
9 Months Ended
Sep. 30, 2014
Disclosure Text Block [Abstract]  
Schedule of Long-term Debt Instruments [Table Text Block]
   

September 30,

   

December 31,

 
   

2014

   

2013

 

Revolving credit agreement

  $ 63,500     $ 64,000