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Property and Equipment, Net
 12 Months Ended
Dec. 31, 2021
Property Plant And Equipment [Abstract]  
Property and Equipment, Net

4. Property and Equipment, Net

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

 

 

 

December 31,

 

 

 

2021

 

 

2020

 

Lab equipment

 

$

268

 

 

$

81

 

Office furniture, fixtures, and
   computer equipment

 

 

325

 

 

 

—

 

Leasehold improvement

 

 

2,563

 

 

 

—

 

Construction in progress

 

 

1,124

 

 

 

2,639

 

Property and equipment, at cost

 

 

4,280

 

 

 

2,720

 

Less: accumulated depreciation

 

 

(523

)

 

 

(71

)

Property and equipment, net

 

$

3,757

 

 

$

2,649

 

 

Depreciation expense was $479,000 and $2,000 for the years ended December 31, 2021 and 2020, respectively.