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Fair Value Measurements - Gain (Loss) on Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Gain (loss) on financial instruments, net	$ 211	$ (179)	$ 166	$ (1,362)
Other public equity securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Gain (loss) on financial instruments, net	384	745	310	(12)
Loss on initial issuance of convertible debt and warrant issuance to Yorkville
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Gain (loss) on financial instruments, net	0	(1,700)	0	(1,700)
Convertible debt
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Gain (loss) on financial instruments, net	0	225	0	225
Warrants liability
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Gain (loss) on financial instruments, net	(169)	710	(139)	708
Prepaid forward liability
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Gain (loss) on financial instruments, net	0	14	0	14
Related party, fair value using quoted market prices of similar assets in active market
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Gain (loss) on financial instruments, net	(4)	(173)	(5)	(538)
Other, without a readily determinable fair value | Other, without a readily determinable fair value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Gain (loss) on financial instruments, net	$ 0	$ 0	$ 0	$ (59)

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Amount of realized and unrealized gain (loss) on investment.

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