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Sublicense and Collaborative Agreements - Narrative (Details) - USD ($) $ in Thousands		1 Months Ended	12 Months Ended
	Sep. 01, 2023	Aug. 31, 2020	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2021
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Short-term deferred revenue			$ 1,710	$ 2,588
Long-term deferred revenue			0	391
Revenue			1,269	486
Collaborative Arrangement, AffaMed Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Sublicense Fees					$ 400
Unregistered shares of common stock issued (in shares)					7,788
Value unregistered shares of common stock issued					$ 100
Capitalized deferred contract acquisition costs					$ 500
Collaborative Arrangement, AffaMed Agreement \| License
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront license payment		$ 5,000
Maximum milestone payments permitted		$ 172,000
Short-term deferred revenue			400	1,300
Long-term deferred revenue				400
Revenue			1,300	$ 500
Negotiation Agreement \| Fuji Pharma
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Short-term deferred revenue			$ 1,300
Collaborative arrangement, termination period option one	14 months
Collaborative arrangement, termination period option two	90 days
Collaborative arrangement, upfront payment	$ 1,500