Stockholders' Equity - Narrative (Details) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 03, 2023 USD ($) purchaser $ / shares shares	Aug. 31, 2023 USD ($) shares	Sep. 30, 2023 USD ($) vote shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) vote shares	Sep. 30, 2022 USD ($)	Jul. 05, 2023 subscription_right $ / shares shares	Mar. 31, 2023 shares
Class of Stock [Line Items]
Common stock, shares authorized (in shares)			750,000,000		750,000,000			750,000,000
Common stock, shares outstanding (in shares)			61,981,134		61,981,134			57,047,013
Common stock, shares issued (in shares)			61,981,134		61,981,134			57,047,013
Preferred stock, shares authorized (in shares)			5,000,000		5,000,000			5,000,000
Preferred stock, shares issued (in shares)			0		0			0
Preferred stock, shares outstanding (in shares)			0		0			0
Number of votes, common stock | vote			1		1
Beneficial ownership percentage	9.99%
Increase in beneficial ownership, effectivity, prior notice period	61 days
Deemed dividend related to warrant modification and issuance of inducement warrants | $			$ 0	$ 0	$ 5,612	$ 0
Placement agent fees and closing expenses	30 days
Proceeds from exercise of stock warrants | $					7,263	0
Number of non-transferable subscription right | subscription_right							1
Maximum
Class of Stock [Line Items]
Beneficial ownership percentage	19.99%
Private Placement
Class of Stock [Line Items]
Number of common stock issuable from warrants (in shares)	250,001
Number of purchasers | purchaser	2
Aggregate gross proceeds from closing of offering | $	$ 2,000
Number of shares sold in private placement offering (in shares)	500,000
Price per share (in usd per share) | $ / shares	$ 4.00
Rights Offering
Class of Stock [Line Items]
Aggregate gross proceeds from closing of offering | $		$ 7,900
Number of shares sold in private placement offering (in shares)		2,404,758
Price per share (in usd per share) | $ / shares							$ 3.30
Legal costs | $		$ 300
Sale of stock, subscription (in shares)							0.07655623
Existing Warrant
Class of Stock [Line Items]
Number of common stock issuable from warrants (in shares)	1,815,848
Exercise price (in usd per share) | $ / shares	$ 4.00
Existing Warrant | Private Placement
Class of Stock [Line Items]
Proceeds from exercise of stock warrants | $	$ 9,300
Legal costs | $	100
Existing Warrant | Private Placement By Existing Holders
Class of Stock [Line Items]
Proceeds from exercise of stock warrants | $	7,300
Existing Warrant | Private Placement From Purchasers
Class of Stock [Line Items]
Proceeds from exercise of stock warrants | $	$ 2,000
Inducement Warrants
Class of Stock [Line Items]
Number of common stock issuable from warrants (in shares)	2,269,810
Exercise price (in usd per share) | $ / shares	$ 5.00
Deemed dividend related to warrant modification and issuance of inducement warrants | $	$ 4,900		$ 0	$ 0	$ 4,859	$ 0
Modified Warrant
Class of Stock [Line Items]
Deemed dividend related to warrant modification and issuance of inducement warrants | $	$ 800
Private Placement
Class of Stock [Line Items]
Exercise price (in usd per share) | $ / shares	$ 5.00