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Property and Equipment, Net
 3 Months Ended
Mar. 31, 2024
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net Property and Equipment, Net
Property and equipment, net, consisted of the following (in thousands):
 March 31, 2024December 31, 2023
Laboratory and clean room equipment$14,504 $13,954 
Furniture and equipment2,205 1,989 
Leasehold improvements8,141 8,141 
Construction in progress1,870 1,791 
Asset retirement cost889 938 
Finance lease right-of-use asset189 189 
Property and equipment, gross27,798 27,002 
Less: accumulated depreciation and amortization(20,458)(20,028)
Property and equipment, net$7,340 $6,974