Additional consideration upon achievement of certain development and commercial milestones.

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Annual maintenance fees.

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- Definition

Certain commercial milestone payments for certain licensed antibody product net sales achievements.

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Certain development and regulatory milestone payments.

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Contingent Payments.

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- Definition

Future milestone payment.

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Future payments upon commercialization.

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- Definition

Future payments upon sales-based milestones.

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- Definition

Future payments upon the achievement of certain development.

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Non refundable upfront fee.

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Upfront fee.

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Upfront non-refundable payment.

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Upfront payment.

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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.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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Development and License Agreements - Additional Information (Details) - USD ($)	1 Months Ended				3 Months Ended			9 Months Ended
	May 31, 2021	Mar. 31, 2021	Sep. 30, 2019	Feb. 28, 2018	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Research and development expense					$ 14,419,000		$ 7,886,000	$ 46,699,000	$ 23,421,000
License Agreement and Master Service Agreement \| Aurigene
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Research and development expense					0		$ 200,000	300,000	$ 600,000
License Agreement and Master Service Agreement \| Aurigene \| Maximum
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Future milestone payment				$ 7,100,000
License Agreement and Master Service Agreement \| Aurigene \| Intellectual Property
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront fee				100,000
Annual maintenance fees				$ 200,000
License and Stock Purchase Agreement \| AbbVie
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Future milestone payment								0
Non refundable upfront fee			$ 600,000
License and Stock Purchase Agreement \| AbbVie \| Maximum
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Future payments upon the achievement of certain development			18,000,000
Future payments upon commercialization			45,000,000
Future payments upon sales based milestones			$ 87,500,000
License Agreement \| Roche
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Non-refundable upfront payment	$ 4,000,000	$ 500,000
Additional consideration upon achievement of certain development and commercial milestones		120,000,000
License Agreement \| Mabwell
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront payment						$ 10,000,000
License Agreement \| Mabwell \| Maximum
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Certain development and regulatory milestone payments					127,500,000			127,500,000
Certain commercial milestone payments for certain licensed antibody product net sales achievements					$ 275,000,000			$ 275,000,000
Development and Regulatory Milestone First Indication \| License Agreement \| Roche
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Contingent payments		50,000,000
Development and Regulatory Milestone Second Indication \| License Agreement \| Roche
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Contingent payments		$ 35,000,000