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Note 3 - Restructuring of Operations (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
  

Employee Termination Benefits

  

Exit Costs

  

Total

 

Balance, March 31, 2023

 $2  $  $2 

Charges to restructuring

  2   1   3 

Cash payments

  (2)  (1)  (3)

Balance, June 30, 2023

 $2  $  $2 
             

Balance, December 31, 2022

 $2  $  $2 

Charges to restructuring

  2   2   4 

Cash payments

  (2)  (2)  (4)

Balance, June 30, 2023

 $2  $  $2