Net Income (Loss) Per Common Share - Summary of Net Income (Loss) Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Net loss	$ (5,057)	$ (2,215)	$ (29,609)	$ (14,084)
Adjustment for preferred stock cumulative dividends and deemed dividends	(3,347)	(2,783)	(9,594)	(7,979)
Numerator for basic income (loss) from continuing operations per common share	(8,404)	(4,998)	(39,203)	(22,063)
Numerator for diluted income (loss) from continuing operations per common share	$ (8,404)	$ (4,998)	$ (39,203)	$ (22,063)
Weighted average common shares outstanding	47,186	43,884	45,793	43,695
Adjustment for participating securities	(3,496)	(1,065)	(2,365)	(918)
Weighted Average Number of Shares, Contingently Issuable	3,849	1,892	2,982	1,893
Weighted average common shares outstanding, basic (in shares)	47,539	44,711	46,410	44,670
Weighted average common shares outstanding, diluted (in shares)	47,539	44,711	46,410	44,670
Basic net loss per share (in dollars per share)	$ (0.18)	$ (0.11)	$ (0.84)	$ (0.49)
Diluted net loss per share (in dollars per share)	(0.18)	(0.11)	(0.84)	(0.49)
Cash dividends declared per share (in dollars per share)	$ 0	$ 0	$ 0	$ 0