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Note 10 - Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2025
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, 2024

 $(1,275) $(26) $(1,301)

Other comprehensive income

  501   16   517 

Balance, December 31, 2025

 $(774) $(10) $(784)