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Note 8 - Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
   

Three-month period ended March 31,

 
   

2024

   

2023

 

Accrued warranty obligations – beginning

  $ 547     $ 323  

Accruals for warranties issued

   

141

      84  

Settlements made

   

(49

)     (21 )

Accrued warranty obligations – ending

  $

639

    $ 386