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Note 17 - Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2015
Notes Tables  
Operating Leases of Lessee Disclosure [Table Text Block]
2016
  $ 2,126  
2017
    523  
2018
    466  
2019
    371  
2020
    319  
2021 and thereafter
    722  
    $ 4,527