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Balance Sheet Details
 9 Months Ended
Sep. 30, 2025
Balance Sheets Details [Abstract]  
Balance Sheet Details Balance Sheet Details
Inventories
Inventories consisted of the following (in thousands):
September 30, 2025December 31, 2024
Work in process$14 $29 
Finished goods1,922 1,770 
Total inventories$1,936 $1,799 
Prepaid expenses and other current assets
As of September 30, 2025, prepaid expenses and other current assets consisted of prepaid expenses of $4.8 million and other current assets of $0.5 million. As of December 31, 2024, prepaid expenses and other current assets consisted of prepaid expenses of $3.7 million and other current assets of $0.5 million.
Property and Equipment, net
Property and equipment, net consisted of the following (in thousands):
September 30, 2025December 31, 2024
Laboratory equipment$38,363 $35,949 
Leasehold improvements15,122 12,159 
Computer equipment and software2,575 2,459 
Office equipment and furniture1,190 1,124 
Construction in progress770 3,441 
Property and equipment58,020 55,132 
Less: accumulated depreciation and amortization(44,008)(40,935)
Property and equipment, net$14,012 $14,197 
Depreciation expense included in both research and development expenses and selling, general and administrative expenses in the unaudited condensed consolidated statements of operations was as follows (in thousands):
Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
Research and development$1,200 $965 $3,327 $3,017 
Selling, general and administrative118 219 451 658 
Total depreciation expense$1,318 $1,184 $3,778 $3,675 
Other Accrued Liabilities
Other accrued liabilities consisted of the following (in thousands):
September 30, 2025December 31, 2024
Accrued professional and outside service fees$1,598 $3,064 
Accrued purchases 1,319 2,908 
Other70 251 
Total other accrued liabilities$2,987 $6,223