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Note 6 - Restructuring and Other Charges (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

Balance - January 1, 2022

 $70 

Cash payments

  (7

)

Adjustments to accruals

  (63

)

Balance - September 30, 2022

 $-