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

Three Months Ended September 30,

  

Nine Months Ended September 30,

 
  

2020

  

2019

  

2020

  

2019

 
Balance at beginning of period $61,019  $59,117  $61,227  $61,004 
Net income (loss)  80   (563)  (2,601)  (388)
Foreign currency translation  3,257   (3,475)  2,638   (3,861)
Redemption value adjustment  (811)  1,485   2,281   (191)

Balance at end of period

 $63,545  $56,564  $63,545  $56,564