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Income Taxes - Summary of Reconciliation of Statutory Federal Rate and Effective Rate for Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Tax Disclosure [Abstract]
Tax computed at federal statutory rate	$ (522)	$ (3,081)
State income tax, net of federal benefit	(35)	(110)
Stock-based compensation	75	721
Research credits	0	0
Change in tax rate	(32)	(62)
Removal of net operating losses and research development credits	615	1,910
Uncertain tax positions	96	111
Other	(18)	(14)
Valuation allowance	(177)	527
Provision (benefit) for income taxes	$ 2	$ 2
Tax computed at federal statutory rate	21.00%	21.00%
State income tax, net of federal benefit	1.40%	0.70%
Stock-based compensation	(3.00%)	(4.90%)
Research credits	(0.00%)	(0.00%)
Change in tax rate	1.30%	0.40%
Removal of net operating losses and research development credits	(24.70%)	(13.00%)
Uncertain tax positions	(3.90%)	(0.80%)
Other	0.70%	0.10%
Valuation allowance	7.10%	(3.60%)
Provision (benefit) for income taxes	(0.10%)	0.00%

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