Equity - Schedule of (Loss) Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Numerator
Net loss from continuing operations	$ (7,775)	$ (9,366)	$ (12,138)	$ (17,538)
Loss from discontinued operations	(720)	(2,862)	(2,036)	(6,383)
Net loss	$ (8,495)	$ (12,228)	$ (14,174)	$ (23,921)
Denominator
Weighted average number of shares outstanding - basic reflective of reverse stock split effective April 1, 2024 (in shares)	8,924	4,524	8,911	4,136
Effect of dilutive securities
Weighted average number of shares outstanding - diluted reflective of reverse stock split effective April 1, 2024 (in shares)	8,924	4,524	8,911	4,136
Net loss on continuing operations per share, basic (in dollars per share)	$ (0.87)	$ (2.07)	$ (1.36)	$ (4.24)
Net loss on continuing operations per share, diluted (in dollars per share)	(0.87)	(2.07)	(1.36)	(4.24)
Loss from discontinued operations per share, basic (in dollars per share)	(0.08)	(0.63)	(0.23)	(1.54)
Loss from discontinued operations per share, diluted (in dollars per share)	(0.08)	(0.63)	(0.23)	(1.54)
Net loss per share, basic (in dollars per share)	(0.95)	(2.70)	(1.59)	(5.78)
Net loss per share, diluted (in dollars per share)	$ (0.95)	$ (2.70)	$ (1.59)	$ (5.78)
Weighted average antidilutive options, unvested RSUs and RSAs, and unvested PSUs excluded from the computation reflective of reverse stock split effective April 1, 2024 (in shares)	337	295
Stock options
Effect of dilutive securities
Dilutive options outstanding, unvested stock units and unvested stock awards (in shares)	0	0	0	0
Weighted average antidilutive options, unvested RSUs and RSAs, and unvested PSUs excluded from the computation reflective of reverse stock split effective April 1, 2024 (in shares)			370	273
PSUs, RSUs, and restricted stock
Effect of dilutive securities
Dilutive options outstanding, unvested stock units and unvested stock awards (in shares)	0	0	0	0