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Note 6 - Other Income, Net
 12 Months Ended
Dec. 31, 2019
Notes to Financial Statements  
Other Income and Other Expense Disclosure [Text Block]
6.
Other income, net
 
    2019     2018  
             
(Gain) Loss on investments   $
(109
 )   $
(168
 )
Fair value adjustment on AR facility deferred purchase price    
465
      
-
  
Equity earnings from non-consolidated investments    
(2,065
 )    
(1,321
 )
Other    
(144
 )    
208
  
    $
(1,853
 )   $
(1,281
 )