Commercial milestone payments.

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- Definition

Development and sales milestone payments.

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- Definition

Forgiveness of accounts receivable, net.

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- Definition

Milestone payment .

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- Definition

Milestone payments.

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- Definition

Payments to cash.

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- Definition

Regulatory and development milestone payment.

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- Definition

Settlement expense.

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- Definition

Amount of revenue recognized that was previously reported as deferred or unearned revenue.

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- Definition

Cash received from licensees for license fees during the current period.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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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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Collaborations - Additional Information (Detail) - USD ($)		1 Months Ended			12 Months Ended
	May 08, 2020	Jun. 30, 2022	Jan. 31, 2020	Dec. 31, 2018	Dec. 31, 2022	Dec. 31, 2021
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Deferred revenue, recognized					$ 200,000
Collaboration
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
License and collaboration revenue					794,000	$ 7,338,000
Mosaic Biosciences Inc \| Maximum
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Milestone payment related to regulatory and clinical development events	$ 4,000,000.0
ISU Abxis \| Amended and Restated License Agreement
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Regulatory and development milestone payment				$ 2,500,000	0
ISU Abxis \| Maximum \| Amended and Restated License Agreement
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Milestone payment				19,500,000	0
Commercial milestone payments				$ 17,000,000.0	0
Biogen
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
License and collaboration revenue					0	0
Biogen \| Collaboration \| Reimbursable Out-of-Pocket and Personnel Costs Incurred Related to Research Services
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
License and collaboration revenue					800,000	$ 7,300,000
Biogen \| Exclusive License
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Up-front payments received			$ 15,000,000.0
Biogen \| Termination Agreement
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Forgiveness of accounts receivable, net		$ 600,000
Payments to cash		$ 10,000
Biogen \| Termination Agreement \| General and Administrative
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Settlement expense					$ 600,000
Biogen \| Maximum \| Exclusive License
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Development and sales milestone payments			$ 340,000,000.0