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Note 9 - Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
   

Three-month period ended March 31,

 
   

2025

   

2024

 

Accrued warranty obligations – beginning

  $ 887     $ 547  

Accruals for warranties issued

    93       141  

Settlements made

    (6 )     (49 )

Accrued warranty obligations – ending

  $ 974     $ 639