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Note 9 - Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2016
Notes Tables  
Operating Leases of Lessee Disclosure [Table Text Block]
 
 
Amount
 
Nine months ended December 31, 2016
  $ 11,780  
Years ended December 31:
       
2017
    14,162  
2018
    11,771  
2019
    8,185  
2020
    5,134  
Thereafter
    3,874  
Total
  $ 54,906