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Revenue Recognition - Summary of balances and activities in our contract asset account (Details) $ in Thousands | 9 Months Ended
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Sep. 30, 2025 USD ($)
Zhejiang Clover Biopharmaceuticals Inc And Clover Hong Kong Inc | Supply Agreement |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |
Contract with customer, asset, allowance for credit loss | $ 11,000
CpG 1018 adjuvant |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |
Balance at Beginning of Period | 351
Additions | 10,903
Subtractions | (8,178)
Balance at End of Period | 3,076
Balance at Beginning of Period | 71,307
Additions | 0
Subtractions | (10,970)
Balance at End of Period | 60,337
Contract asset | $ 3,076

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