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Note 15 - Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
Operating Leases of Lessee Disclosure [Table Text Block]

2015

  $ 2,260  

2016

    2,041  

2017

    442  

2018

    455  

2019

    360  

2020 and thereafter

    1,031  
    $ 6,589