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Property and Equipment
 12 Months Ended
Dec. 31, 2024
Property and Equipment  
Property and Equipment

5. Property and Equipment

 

Major classifications of property and equipment and estimated useful lives were as follows:

 

 

 

Estimated useful lives

 

As of December 31,

 

 

 

in years

 

2024

 

 

2023

 

Office furniture and equipment

 

 

3

to 

10 

 

$

68

 

 

$

70

 

Leasehold improvements

 

 

2

to

7 

 

 

205

 

 

 

193

 

Vehicles

 

 

5

to 

10 

 

 

57

  

 

 

57

 

Manufacturing and test equipment

 

 

2

to 

10 

 

 

1,617

 

 

 

1,442

 

 

 

 

 

 

 

 

 

1,947

 

 

 

1,762

 

Accumulated depreciation and amortization

 

 

 

 

 

 

 

(1,447

 )

 

 

(1,232

 )

Property and equipment, net

 

 

 

 

 

 

$

500

 

 

$

530

 

 

Depreciation expense on property and equipment for the years ended December 31, 2024 and 2023 was $226 and $238, respectively.