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

5. Property and equipment, net

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

 

 

 

December 31,

 

 

 

2021

 

 

2020

 

Laboratory equipment

 

$

—

 

 

$

808

 

Computer equipment

 

 

—

 

 

 

29

 

Furniture and fixtures

 

 

—

 

 

 

53

 

Leasehold improvements

 

 

—

 

 

 

65

 

Total

 

 

—

 

 

 

955

 

Less accumulated depreciation

 

 

—

 

 

 

(661

)

Property and equipment, net

 

$

—

 

 

$

294

 

 

Depreciation expense for the years ended December 31, 2021 and 2020 was approximately $0.2 million and $0.3 million, respectively. The Company also recorded a gain on sale of property and equipment of $0.3 million for the year ended December 31, 2021, of which $0.2 million was recorded to research and development expense and $0.1 million was recorded to general and administrative expense in the accompanying consolidated statement of operations and comprehensive loss. As of December 31, 2021, all fixed assets of the Company have been sold or disposed.