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Debt - Total Interest Expense Recognized Related to Convertible Notes (Details) - Convertible Notes [Member] - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Interest expense on Convertible Notes
Contractual interest expense	$ 968,000	$ 880,000	$ 1,936,000	$ 1,760,000
Accretion of debt discount	299,000	249,000	584,000	487,000
Amortization of debt issuance costs	41,000	35,000	82,000	68,000
Total interest expense on Convertible Notes	$ 1,308,000	$ 1,164,000	$ 2,602,000	$ 2,315,000

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of amortization expense attributable to debt issuance costs.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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