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Property and Equipment, net (Tables)
 12 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment The following table summarizes our major classes of property and equipment (in thousands): 
 December 31,
 20222021
Laboratory equipment$4,359 $4,215 
Computer equipment and software470 265 
Furniture and fixtures12 — 
Leasehold improvements115 115 
4,956 4,595 
Less accumulated depreciation and amortization(4,420)(4,314)
Property and equipment, net$536 $281