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Note 5 - Property and Equipment, Net (Tables)
9 Months Ended
Sep. 30, 2024
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   

As of

September 30,

2024

   

As of

December 31,

2023

 

Production and lab equipment

  $ 542     $ 542  

Tooling

    572       562  

Computer equipment

    618       615  

Furniture, fixtures and improvements

    196       196  
    $ 1,928     $ 1,915  

Accumulated depreciation

    (1,718 )     (1,406

)

Property and equipment, net

  $ 210     $ 509