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
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Weighted Average Number of Shares Issued, Basic	43,308	42,836
Loss from continuing operations	$ (3,302)	$ (4,913)
Less: Preferred stock cumulative dividends and deemed dividends	(2,538)	(14,529)
Numerator for basic undistributed net loss per common share	(5,840)	(19,442)
Numerator for diluted undistributed net loss per common share	$ (5,840)	$ (19,442)
Weighted Average Number of Shares, Restricted Stock	(608)	(375)
Weighted average common shares outstanding, diluted (in shares)	44,594	42,672
Basic net loss per share (in dollars per share)	$ (0.13)	$ (0.46)
Diluted net loss per share (in dollars per share)	(0.13)	(0.46)
Basic and diluted loss per common share	(0.13)	(0.46)
Cash dividends declared per share (in dollars per share)	$ 0	$ 0
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants	1,894	211
Weighted Average Number of Shares Outstanding, Basic and Diluted	44,594	42,672