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Note 4 - Redeemable Noncontrolling Interest (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Redeemable Noncontrolling Interest [Table Text Block]
   

Year Ended December 31,

 
   

2022

   

2021

   

2020

 

Balance at beginning of period

  $ 58,050     $ 66,207     $ 61,227  

Share of net income (loss)

    7,543       5,574       (2,829 )

Foreign currency translation

    (3,982 )     (3,669 )     6,562  

Purchase of additional ownership interest

    (375 )     (27,164 )     -  

Redemption value adjustment

    49,235       17,102       1,247  

Balance at end of period

  $ 110,471     $ 58,050     $ 66,207