Aggregate maximum obligation to pay future contingent milestone payments for accelerated approval.

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Aggregate maximum obligation to pay future contingent milestone payments for normal approval.

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Convertible preferred stock shares issued value.

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Extra milestone payment.

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Issuance of convertible preferred stock shares.

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Milestone and royalties incurred.

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Payment for license fee.

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Upfront fee.

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Upfront payments.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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License Agreements - Additional Information (Details) - USD ($)		1 Months Ended			3 Months Ended
	Mar. 28, 2022	Apr. 30, 2022	Dec. 31, 2020	Apr. 30, 2020	Mar. 31, 2022	Mar. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Research And Development Arrangement Contract To Perform For Others [Line Items]
Research and development expense					$ 20,071,000	$ 32,774,000
Proceeds from stock options exercised					176,000
Pfizer License Agreement
Research And Development Arrangement Contract To Perform For Others [Line Items]
Research and development expense						25,000,000.0
Milestone and royalties incurred					0
Upfront payments						$ 5,000,000.0
Pfizer License Agreement \| Series B Convertible Preferred Stock
Research And Development Arrangement Contract To Perform For Others [Line Items]
Issuance of convertible preferred stock shares						12,152,145
Issuance of convertible preferred stock value						$ 20,000,000.0		$ 20,000,000.0
Pfizer License Agreement \| Research and Development Expenses
Research And Development Arrangement Contract To Perform For Others [Line Items]
Payment for license fee						25,000,000.0
LegoChem License Agreement
Research And Development Arrangement Contract To Perform For Others [Line Items]
Payments to purchase licensed products						9,000,000.0
Proceeds from stock options exercised			$ 8,000,000.0
Extra milestone payment			$ 9,600,000
Derivative liability						3,400,000	$ 9,600,000	$ 3,400,000
Fair value adjustment to the derivative liability						$ 1,100,000
Other milestone and royalties incurred					0
Biosion License Agreement
Research And Development Arrangement Contract To Perform For Others [Line Items]
Research and development expense					10,000,000
Milestone and royalties incurred					$ 0
Royalty obligation period for licensed products upon first commercial sale	12 years
Biosion License Agreement \| Subsequent Event
Research And Development Arrangement Contract To Perform For Others [Line Items]
Upfront fee		$ 10,000,000
Aggregate maximum obligation to pay future contingent milestone payments for normal approval		217,500,000
Aggregate maximum obligation to pay future contingent milestone payments for accelerated approval		$ 222,500,000
University License Agreement
Research And Development Arrangement Contract To Perform For Others [Line Items]
Stock issued				48,919
Milestone and royalties incurred							$ 0