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PROPERTY AND EQUIPMENT
 12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
PROPERTY AND EQUIPMENT PROPERTY AND EQUIPMENT
The following table sets forth the composition of property and equipment, net as of December 31, 2020 and 2019 (in thousands):
December 31,
20202019
Lab equipment$570 $572 
Furniture and fixtures16 16 
Computer equipment97 87 
Software28 28 
Leasehold improvements293 293 
Property and equipment, gross
1,004 996 
Less: accumulated depreciation
(881)(758)
Total Property and Equipment, Net
$123 $238 
Depreciation expense was $0.1 million, $0.2 million and $0.2 million for the years ended December 31, 2020, 2019 and 2018, respectively.