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Property and Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2021
Property Plant And Equipment [Abstract]  
Summary of Property and Equipment, Net

 

 

 

December 31,

 

 

 

2021

 

 

2020

 

Machinery & equipment

 

$

2,261

 

 

$

1,989

 

Computers

 

 

8

 

 

 

8

 

Furniture & fixtures

 

 

9

 

 

 

9

 

Leasehold improvements

 

 

161

 

 

 

73

 

Assets not placed in service

 

 

2,519

 

 

 

51

 

Total property and equipment

 

 

4,958

 

 

 

2,130

 

Less: Accumulated depreciation

 

 

(1,868

)

 

 

(1,561

)

Property and equipment, net

 

$

3,090

 

 

$

569