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Note 10 - Accumulated Other Comprehensive Income (Loss) (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Comprehensive Income (Loss) [Table Text Block]
  

Three Months Ended

  

Nine Months Ended

 
  

September 30,

  

September 30,

 

(in thousands)

 

2021

  

2020

  

2021

  

2020

 
                 

Balance at beginning of period

 $(8,115) $(9,634) $(3,420) $(7,018)

Foreign currency translation adjustments

                

Other comprehensive income (loss) before reclassifications

  (5,298)  3,110   (10,110)  494 

Amounts reclassified from accumulated other comprehensive loss

  -   -   -   - 

Net current-period other comprehensive income (loss)

  (5,298)  3,110   (10,110)  494 

Net unrealized gains (losses) on investments in securities

                

Other comprehensive income (loss) before reclassifications

  (45)  -   72   - 

Amounts reclassified from accumulated other comprehensive loss

  -   -   -   - 

Net current-period other comprehensive income (loss)

  (45)  -   72   - 

Balance at end of period

 $(13,458) $(6,524) $(13,458) $(6,524)