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Net Income (Loss) Per Share (Tables) | 12 Months Ended
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Dec. 31, 2022
Earnings Per Share [Abstract] |
Summary of Net Income (Loss) Per Share | The following table summarizes the computation of basic and diluted net income (loss) per common share.
| Years Ended December 31,
| 2022 |  | 2021 |  | 2020
Numerator: |  |  |  |  |
Loss from continuing operations | $ | (26,098) |  |  | $ | (14,425) |  |  | $ | (139,490) |
Adjustment for preferred stock cumulative dividends and deemed dividends | (10,894) |  |  | (21,478) |  |  | (12,373) |
Numerator for basic and diluted net loss from continuing operations per common share | (36,992) |  |  | (35,903) |  |  | (151,863) |
Income from discontinued operations, net of tax | — |  |  | 1,200 |  |  | 38,898 |
Numerator for basic and diluted net loss per common share | $ | (36,992) |  |  | $ | (34,703) |  |  | $ | (112,965) |
Denominator: |  |  |  |  |
Weighted average common shares outstanding | 43,738 |  |  | 42,991 |  |  | 42,692 |
Adjustment for participating securities | (951) |  |  | (461) |  |  | (493) |
Adjustment for 2021 Warrants outstanding (1) | 1,893 |  |  | 1,481 |  |  | — |
Shares used to calculate basic and diluted net loss per share | 44,680 |  |  | 44,011 |  |  | 42,199 |
Per common share net income (loss): |  |  |  |  |
Basic and diluted net loss from continuing operations per common share | $ | (0.83) |  |  | $ | (0.82) |  |  | $ | (3.60) |
Basic and diluted net income from discontinued operations per common share | — |  |  | 0.03 |  |  | 0.92 |
Basic and diluted net loss per common share | $ | (0.83) |  |  | $ | (0.79) |  |  | $ | (2.68) |
Cash dividends declared per common share | $ | — |  |  | $ | — |  |  | $ | — |
_______________________________ (1) Weighted average 2021 Warrants outstanding are included in shares outstanding for calculation of basic earnings per share because they are exercisable at an exercise price of $0.01 per share, subject to certain adjustments (see Note 19).
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share | The following table presents potentially dilutive securities that were excluded from the calculation of diluted net income (loss) per common share because they had an anti-dilutive effect.
| Years Ended December 31,
| 2022 |  | 2021 |  | 2020
Options | 557 |  |  | 766 |  |  | 871 |
2019 Warrants | 1,500 |  |  | 1,500 |  |  | 1,500 |
Series B Preferred Stock, as-converted | — |  |  | — |  |  | 19,021 |
| 2,057 |  |  | 2,266 |  |  | 21,392 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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