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, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Earnings Per Share [Abstract]
Net loss	$ (2,557)	$ (5,057)	$ (17,297)	$ (29,609)
Adjustment for preferred stock cumulative dividends and deemed dividends	(3,977)	(3,347)	(11,490)	(9,594)
Numerator for basic income (loss) from continuing operations per common share	(6,534)	(8,404)	(28,787)	(39,203)
Numerator for diluted income (loss) from continuing operations per common share	$ (6,534)	$ (8,404)	$ (28,787)	$ (39,203)
Weighted average common shares outstanding	50,000	47,186	49,478	45,793
Adjustment for participating securities	(2,464)	(3,496)	(2,845)	(2,365)
Weighted Average Number of Shares, Contingently Issuable	1,461	3,849	1,889	2,982
Weighted average common shares outstanding, basic (in shares)	48,997	47,539	48,522	46,410
Weighted average common shares outstanding, diluted (in shares)	48,997	47,539	48,522	46,410
Basic net loss per share (in dollars per share)	$ (0.13)	$ (0.18)	$ (0.59)	$ (0.84)
Diluted net loss per share (in dollars per share)	(0.13)	(0.18)	(0.59)	(0.84)
Cash dividends declared per share (in dollars per share)	$ 0	$ 0	$ 0	$ 0