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Note 9 - Commitments and Contingencies (Tables)
9 Months Ended
Sep. 30, 2015
Commitments and Contingencies Disclosure [Abstract]  
Operating Leases of Lessee Disclosure [Table Text Block]
   

Amount

 

Three months ended December 31, 2015

  $ 3,529  

Years ended December 31:

       

2016

    13,235  

2017

    11,814  

2018

    9,562  

2019

    6,588  

Thereafter

    6,987  

Total

  $ 51,715