XML 37 R28.htm IDEA: XBRL DOCUMENT v3.22.2
Note 9 - Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2022
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, 2021

 $(474) $(18) $(492)

Other comprehensive income (loss)

  (461)  13   (448)

Balance, June 30, 2022

 $(935) $(5) $(940)