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Note 14 - Accumulated Other Comprehensive Income (Loss) (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
  

Unrealized Gains

(Losses) on

Available-for-Sale

Securities

  

Foreign Currency

Translation

Adjustments

  

Total

 

Balance as of January 1, 2020

 $135  $(5,611) $(5,476)

Other comprehensive loss before reclassifications

  (1,680)  (2,882)  (4,562)

Amounts reclassified from accumulated other comprehensive loss

  (28)  -   (28)

Tax effect

  55   -   55 

Net current period other comprehensive loss

  (1,653)  (2,882)  (4,535)

Balance as of March 31, 2020

  (1,518)  (8,493)  (10,011)

Other comprehensive income before reclassifications

  5,386   1,018   6,404 

Amounts reclassified from accumulated other comprehensive loss

  (71)  -   (71)

Tax effect

  (406)  -   (406)

Net current period other comprehensive income

  4,909   1,018   5,927 

Balance as of June 30, 2020

  3,391   (7,475)  (4,084)

Other comprehensive income (loss) before reclassifications

  (389)  6,936   6,547 

Amounts reclassified from accumulated other comprehensive income (loss)

  (9)  -   (9)

Tax effect

  30   -   30 

Net current period other comprehensive income (loss)

  (368)  6,936   6,568 

Balance as of September 30, 2020

 $3,023  $(539) $2,484