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Balance Sheet Details (Tables)
 12 Months Ended
Dec. 31, 2025
Balance Sheet Related Disclosures [Abstract]  
Schedule of Inventory Components
Inventories consisted of the following (in thousands): 
 December 31,
 20252024
Work in process$— $29 
Finished goods 1,817 1,770 
Total inventories$1,817 $1,799 
Schedule of Property and Equipment, Net
Property, equipment and leasehold improvements are stated at cost less accumulated depreciation and amortization calculated using the straight-line method over their estimated useful lives as follows:
Asset classificationEstimated useful life
Laboratory equipment5 years
Computer equipment and software3 years
Office equipment and furniture5 years
Leasehold improvementsLesser of useful life or lease term
Property and equipment, net consisted of the following (in thousands): 
 December 31,
 20252024
Laboratory equipment(1)
$38,943 $35,949 
Leasehold improvements15,229 12,159 
Computer equipment2,556 2,459 
Office furniture and equipment1,133 1,124 
Construction in progress(2)
405 3,441 
Property and Equipment58,266 55,132 
Less: accumulated depreciation(45,242)(40,935)
Property and equipment, net$13,024 $14,197 
(1) Fully depreciated property and equipment with a cost of $0.8 million and $2.6 million were retired during the years ended December 31, 2025 and 2024, respectively.
(2) Construction in progress includes equipment received but not yet placed into service pending installation.
Depreciation expense included in both research and development expenses and selling, general and administrative expenses in the consolidated statements of operations was as follows (in thousands):
 Year Ended December 31,
 202520242023
Research and development$4,125 $3,964 $4,594 
Selling, general and administrative972 881 924 
Total depreciation expense    $5,097 $4,845 $5,518 
Schedule of Accrued Liabilities
Other accrued liabilities consisted of the following (in thousands): 
 December 31,
 20252024
Accrued professional and outside service fees$1,384 $3,064 
Accrued purchases938 2,908 
Other446 251 
Total other accrued liabilities
$2,768 $6,223