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Note 4 - Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
   

2023

   

2022

 

Accrued warranty obligations – beginning

  $ 323     $ 133  

Accruals for warranties issued

    458       287  

Settlements made

    (234 )     (97 )

Accrued warranty obligations - ending

  $ 547     $ 323