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Note 16 - Accumulated Other Comprehensive Income (Loss) (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
  

Foreign currency
translation adjustments

  

Unrealized gain (loss) on
available-for-sale securities

  

Total

 
  

$

  

$

  

$

 
             

December 31, 2021

  (528)  5   (523)

Current period other comprehensive income (loss)

  964   (5)  959 

December 31, 2022

  436   -   436 

Current period other comprehensive income (loss)

  472   -   458 

December 31, 2023

  908   -   894