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Note 9 - Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2024
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
  Foreign Currency Translation Adjustments  Unrealized Gains (Losses) on Available-For-Sale Investments  

Total

 

Balance, December 31, 2023

 $(1,057) $(12) $(1,069)

Other comprehensive loss

  (114)  (38)  (152)

Balance, March 31, 2024

  (1,171)  (50)  (1,221)

Other comprehensive income (loss)

  (36)  8   (28)

Balance, June 30, 2024

  (1,207)  (42)  (1,249)

Other comprehensive income

  252   37   289 

Balance, September 30, 2024

 $(955) $(5) $(960)