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Property and Equipment, Net
12 Months Ended
Dec. 31, 2021
Property and Equipment, Net  
Property and Equipment, Net

5. Property and Equipment, Net

Property and equipment, net consisted of the following (in thousands):

December 31, 

    

2021

    

2020

Laboratory and demonstration equipment

$

4,789

$

4,394

Computer equipment and software

 

139

 

417

Furniture and fixtures

 

112

 

193

Leasehold improvements

 

21

 

21

 

5,061

 

5,025

Less: Accumulated depreciation and amortization

 

(3,458)

 

(4,175)

$

1,603

$

850

Depreciation expense amounted to $0.9 million and $0.8 million in each of the years ended December 31, 2021 and 2020, respectively.