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Note 19 - Valuation and Qualifying Accounts (Tables)
12 Months Ended
Dec. 31, 2015
Notes Tables  
Valuation and Qualifying Accounts [Table Text Block]
 
 
Balance at Beginning of Year
 
 
Reserves
Assumed in
Acquisition
 
 
Additions Charged to Earnings
 
 
Charges to Reserve, Net (1)
 
 
Balance at End
of Year
 
Year ended December 31, 2015
                                       
Allowance for doubtful accounts
  $ 2,275     $ 63     $ 481     $ (325 )   $ 2,494  
Reserves for inventory
    9,387       614       3,739       (3,158 )     10,582  
Valuation of deferred tax assets
    1,385       -       138             1,523  
                                         
Year ended December 31, 2014
                                       
Allowance for doubtful accounts
  $ 2,658     $ 209     $ 672     $ (1,264 )   $ 2,275  
Reserves for inventory
    6,558       2,282       2,797       (2,250 )     9,387  
Valuation of deferred tax assets
    1,021       -       364             1,385  
                                         
Year ended December 31, 2013
                                       
Allowance for doubtful accounts
  $ 1,166     $ 496     $ 1,037     $ (41 )   $ 2,658  
Reserves for inventory
    6,999       1,131       72       (1,644 )     6,558  
Valuation of deferred tax assets
    806       (120 )     335             1,021