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Property and Equipment (Tables)
9 Months Ended
Sep. 30, 2021
Property, Plant and Equipment [Abstract]  
Schedule of Property and Equipment Property and equipment consist of the following (in thousands):

 

 

September 30,

 

 

December 31,

 

 

 

2021

 

 

2020

 

Computers and software

 

$

607

 

 

$

596

 

Furniture, fixtures, and equipment

 

 

400

 

 

 

400

 

Manufacturing and testing equipment

 

 

4,693

 

 

 

3,874

 

Construction in process

 

 

 

 

 

120

 

Leasehold improvements

 

 

932

 

 

 

932

 

Property and equipment, gross

 

 

6,632

 

 

 

5,922

 

Less accumulated depreciation

 

 

(3,934

)

 

 

(3,545

)

Property and equipment, net

 

$

2,698

 

 

$

2,377