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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

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