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Note 6 - Intangible Assets (Tables)
3 Months Ended
Mar. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   

Amortization

   

March 31,

   

December 31,

 
   

Life (in years)

   

2014

   

2013

 
                         

Customer relationships

    5     $ 41     $ 55