Net Loss Per Share - Computation of basic and diluted net loss per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net loss	$ (19,565)	$ (19,565)	$ (12,414)	$ (12,414)
Weighted average common shares outstanding, basic and diluted
Diluted (in shares)	88,647		95,924
Basic (in shares)	88,647		95,924
Net loss per share, basic and diluted
Continuing operations, basic (in dollars per share)	$ (0.22)		$ (0.13)
Continuing operations, diluted (in dollars per share)	$ (0.22)		$ (0.13)