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Note 1 - Description of Business and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
  

As of December 31,

 
  

2024

  

2023

 

Balance, beginning of period

 $322  $149 

Increase of warranty reserve

  15   206 

Warranty claims

  (7)  (19)

Other adjustments

  (163)  (14)

Balance, end of period

 $167  $322