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Note 4 - Restructuring of Operations (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
  

Employee Termination Benefits

  

Exit Costs

  

Total

 

Balance, December 31, 2023

 $10  $  $10 

Charges to restructuring

  2   3   5 

Cash payments

  (2)  (3)  (5)

Balance, March 31, 2024

 $10  $  $10