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Note 5 - Property and Equipment, Net
3 Months Ended
Mar. 31, 2023
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]

5.          PROPERTY AND EQUIPMENT, NET

 

Property and equipment consisted of the following:

 

   

March 31,

2023

   

December 31,

2022

 

Production and lab equipment

  $ 503     $ 513  

Tooling

    451       448  

Computer equipment

    553       531  

Furniture, fixtures and improvements

    181       181  
      1,688       1,673  

Accumulated depreciation

    (1,033 )     (915 )

Property and equipment, net

  $ 655     $ 758  

 

Depreciation expense was $118 and $113 for the three months ended March 31, 2023 and 2022, respectively.