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Leases - Additional Information (Details)			3 Months Ended		6 Months Ended
	Nov. 17, 2021 ft²	Nov. 23, 2020 USD ($) ft²	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Mar. 31, 2025 USD ($)	Dec. 17, 2021 USD ($)
Operating Lease [Line Items]
Operating lease, liability			$ 700,000		$ 700,000			$ 2,300,000
Operating lease right-of-use assets			641,000		641,000		$ 867,000	$ 2,300,000
Variable lease expense			34,000	$ 22,000	73,000	$ 23,000
Rent expense			126,000	126,000	252,000	252,000
Operating cash flows from operating leases			$ 134,000	$ 130,000	$ 267,000	$ 260,000
San Diego Permanent Lease [Member]
Operating Lease [Line Items]
Lab and Office space under lease agreement | ft²	2,892	8,051
Lease term		62 months
Monthly rental payments		$ 40,800
Base rent escalators		3.00%

X

- Definition

Discount rate used by lessee to determine present value of operating lease payments.

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Amount of lessee's right to use underlying asset under operating lease.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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- Definition

Lab and office space area under lease agreement.

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Operating lease.

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Operating leases monthly rent expense.

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