Business and Basis of Presentation - Schedule of Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 03, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net loss available to common shareholders		$ (7,129)	$ (5,995)	$ (14,576)	$ (11,348)	$ (30,600)
Deemed dividend related to warrant modification and issuance of Inducement Warrants (Note 8)		0	0	(5,612)	0
Net loss attributable to common stockholders		(7,129)	(5,995)	(20,188)	(11,348)
Net loss attributable to common stockholders		$ (7,129)	$ (5,995)	$ (20,188)	$ (11,348)
Weighted average common shares outstanding - basic (in shares)		61,138,691	56,619,662	61,071,729	55,518,297
Weighted average common shares outstanding - diluted (in shares)		61,138,691	56,619,662	61,071,729	55,518,297
Net loss per share - basic (in usd per share)		$ (0.12)	$ (0.10)	$ (0.33)	$ (0.20)
Net loss per share - diluted (in usd per share)		$ (0.12)	$ (0.10)	$ (0.33)	$ (0.20)
Warrant
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Deemed dividend related to warrant modification and issuance of Inducement Warrants (Note 8)		$ 0	$ 0	$ (753)	$ 0
Inducement Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Deemed dividend related to warrant modification and issuance of Inducement Warrants (Note 8)	$ (4,900)	$ 0	$ 0	$ (4,859)	$ 0