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Balance Sheet Details - Additional Information (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Debt securities, impairment losses | $ 0 | $ 0
Debt securities, available-for-sale, unrealized gain (loss) | 32,000 | (13,000)
Debt securities, available-for-sale, realized gain (loss) | 1,000 | 0
Total inventory | 42,110,000 | 54,573,000
Depreciation and amortization | 2,899,000 | 2,889,000
Construction in Progress, Gross | 6,300,000 | 5,400,000
ZYNRELEF |  |
Total inventory | 11,200,000 | 30,900,000
Cost of product sales, charges | 20,300,000 | 8,900,000
SUSTOL |  |
Total inventory | 4,100,000 | 2,600,000
CINVANTI |  |
Total inventory | 26,400,000 | 19,900,000
APONVIE |  |
Total inventory | $ 400,000 | $ 1,200,000

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