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Note 14 - Accumulated Other Comprehensive Income (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
  

Unrealized Gains

(Loss) on Available-

for-Sale Securities

  

Foreign Currency

Translation

Adjustments

  

Total

 

Balance as of January 1, 2021

 $1,601  $8,539  $10,140 

Other comprehensive loss before reclassifications

  (754)  (2,474)  (3,228)

Amounts reclassified from accumulated other comprehensive income

  (24)  -   (24)

Tax effect

  124   -   124 

Net current period other comprehensive loss

  (654)  (2,474)  (3,128)

Balance as of March 31, 2021

  947   6,065   7,012 

Other comprehensive income (loss) before reclassifications

  (169)  5,437   5,268 

Tax effect

  21   -   21 

Net current period other comprehensive income (loss)

  (148)  5,437   5,289 

Balance as of June 30, 2021

  799   11,502   12,301 

Other comprehensive loss before reclassifications

  (287)  (371)  (658)

Amounts reclassified from accumulated other comprehensive income

  (13)  -   (13)

Tax effect

  32   -   32 

Net current period other comprehensive loss

  (268)  (371)  (639)

Balance as of September 30, 2021

 $531  $11,131  $11,662