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Property and Equipment, net
 12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Property and Equipment, net Property and Equipment, net
Property and equipment, net, consist of the following:
December 31,
20212020
(in thousands)
Computer equipment$278 $278 
Software968 1,100 
Furniture, fixtures and other1,170 1,170 
Leasehold improvements299 299 
Subtotal2,715 2,847 
Less accumulated depreciation and amortization2,051 1,571 
Property and equipment, net$664 $1,276 
Depreciation expense was $0.6 million, $0.5 million, and $0.3 million for the years ended December 31, 2021, 2020 and 2019, respectively.