Reimbursement of development costs.

No definition available.

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Period Type:	duration

- Definition

Revenue recognition milestone method pending.

+ References

No definition available.

+ Details

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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Period Type:	instant

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Period Type:	instant

- Definition

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
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+ Details

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Period Type:	instant

- Definition

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
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-Subparagraph (SX 210.5-02(26)(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

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.

+ References

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+ Details

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- Definition

Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

+ References

No definition available.

+ Details

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- Details

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License Revenue - Related Party - Additional Information (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2021
Related Party Transaction [Line Items]
License revenue—related party		$ 2,826	$ 6,417
Unbilled receivable from related party		184	938
Deferred revenue current		100	100
Deferred revenue noncurrent		736	791
Zenas BioPharma Limited [Member]
Related Party Transaction [Line Items]
Reimbursement of development costs	$ 1,100
License revenue—related party		2,800	6,400
Related party receivable		300	4,700
Unbilled receivable from related party		200	900
Deferred revenue current		100	100
Deferred revenue noncurrent		700	$ 800
Zenas BioPharma Limited [Member] \| Milestone [Member]
Related Party Transaction [Line Items]
Development milestones	11,000
Zenas BioPharma Limited [Member] \| Royalty [Member]
Related Party Transaction [Line Items]
License revenue—related party		$ 0
Zenas BioPharma Limited [Member] \| Upfront Payment [Member]
Related Party Transaction [Line Items]
Upfront payments	$ 1,000			$ 1,000