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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, 2026 | Mar. 31, 2025
Income Tax Disclosure [Abstract] |  |
Income taxes (benefit) at statutory federal rate | $ (2,907) | $ (522)
State and local taxes, net of federal benefit | (21) | (31)
Tax credits | (179) | (321)
Changes in valuation allowance | 152 | (141)
Nontaxable or nondeductible items |  |
Change in fair value of derivative liability | 568 | 0
Stock-based compensation | 55 | 75
Financing fees | 156 | 0
Other |  |
Removal of federal net operating losses and research development credits | 2,126 | 867
Other true-ups | (7) | (21)
Changes in unrecognized tax benefits | 59 | 96
Provision for income taxes | $ 2 | $ 2
Income taxes (benefit) at statutory federal rate | 21.00% | 21.00%
State and local taxes, net of federal benefit | 0.20% | 1.20%
Tax credits | 1.30% | 12.90%
Changes in valuation allowance | (1.10%) | 5.70%
Nontaxable or nondeductible items |  |
Change in fair value of derivative liability | (4.10%) | 0.00%
Stock-based compensation | (0.40%) | (3.00%)
Financing fees | (1.10%) | (0.00%)
Other |  |
Removal of federal net operating losses and research development credits | (15.40%) | (34.90%)
Other true-ups | 0.00% | 1.00%
Changes in unrecognized tax benefits | (0.40%) | (3.90%)
Provision for income taxes | 0.00% | 0.00%

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