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Note 5 - Long-lived Assets (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

March 31, 2022

  

December 31, 2021

 

Equipment

 $205  $200 

Software

  248   247 
   453   447 

Accumulated depreciation

  (48)  (38)
  $405  $409