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Note 9 - Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2015
Commitments and Contingencies Disclosure [Abstract]  
Operating Leases of Lessee Disclosure [Table Text Block]
   

Amount

 

Nine months ended December 31, 2015

  $ 9,835  

Year ended December 31:

       

2016

    11,335  

2017

    9,747  

2018

    7,977  

2019

    5,423  

Thereafter

    5,043  

Total

  $ 49,360