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Note 3 - Redeemable Noncontrolling Interest (Tables)
6 Months Ended
Jun. 30, 2020
Notes Tables  
Redeemable Noncontrolling Interest [Table Text Block]
   

Three Months Ended June 30,

   

Six Months Ended June 30,

 
   

2020

   

2019

   

2020

   

2019

 

Balance at beginning of period

  $ 59,904     $ 57,357     $ 61,227     $ 61,004  

Net income

    (2,052 )     (90 )     (2,681 )     175  

Foreign currency translation

    1,597       1,094       (619 )     (386 )

Redemption value adjustment

    1,570       756       3,092       (1,676 )

Balance at end of period

  $ 61,019     $ 59,117     $ 61,019     $ 59,117