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Stock-Based Compensation and Stockholders' Equity - Assumptions Used In Black-Scholes Model (Details) - Employee Stock - $ / shares	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility	83.00%	75.00%	72.00%
Expected dividend yield	0.00%	0.00%	0.00%
Risk-free interest rate	4.70%	5.26%	3.30%
Weighted average fair value of rights granted	9 months 18 days	9 months 18 days	9 months 18 days
Weighted average fair value of options granted (in dollars per share)	$ 0.81	$ 1.31	$ 2.09

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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Rate of weighted-average expected volatility for award under share-based payment arrangement.

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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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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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