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Note 3 - Redeemable Noncontrolling Interest (Tables)
3 Months Ended
Mar. 31, 2021
Notes Tables  
Redeemable Noncontrolling Interest [Table Text Block]
  

Three Months Ended March 31,

 
  

2021

  

2020

 
Balance at beginning of period $66,207  $61,227 
Net income  1,021   (629)
Foreign currency translation  (3,851)  (2,216)
Redemption value adjustment  (123)  1,522 

Balance at end of period

 $63,254  $59,904