Annual report pursuant to Section 13 and 15(d)

Note 10 - Stockholders' Equity (Tables)

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Note 10 - Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
   

Foreign Currency Translation Adjustments

   

Unrealized Losses on Available-For-Sale Investments

   

Total

 

Balance, December 31, 2020

  $ (325 )   $ (11 )   $ (336 )

Other comprehensive loss

    (149 )     (7 )     (156 )

Balance, December 31, 2021

  $ (474 )   $ (18 )   $ (492 )