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Net Income (Loss) Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2022
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method | The following table summarizes the computation of basic and diluted net loss per common share.
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Numerator: |  |  |  |  |  |  |
Net loss | $ | (2,215) |  |  | $ | (3,377) |  |  | $ | (14,084) |  |  | $ | (13,681) |
Less: Preferred stock cumulative dividends and deemed dividends | (2,783) |  |  | (2,314) |  |  | (7,979) |  |  | (19,054) |
Numerator for basic and diluted undistributed net loss per common share (1) | $ | (4,998) |  |  | $ | (5,691) |  |  | $ | (22,063) |  |  | $ | (32,735) |
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding | 43,884 |  |  | 43,034 |  |  | 43,695 |  |  | 42,980 |
Adjustment for unvested restricted common stock | (1,065) |  |  | (476) |  |  | (918) |  |  | (459) |
Adjustment for 2021 Warrants outstanding (2) | 1,892 |  |  | 1,897 |  |  | 1,893 |  |  | 1,341 |
Shares used to calculate net loss per share, basic and diluted | 44,711 |  |  | 44,455 |  |  | 44,670 |  |  | 43,862 |
Per common share net loss: |  |  |  |  |  |  |
Basic and diluted net loss per common share | $ | (0.11) |  |  | $ | (0.13) |  |  | $ | (0.49) |  |  | $ | (0.75) |
Cash dividends declared per common share | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
_______________________________ (1) Preferred Stock does not participate in losses. (2) 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 15).
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share | The following table presents securities that could be potentially dilutive in the future that were excluded from the calculation of diluted net loss per common share because they had an anti-dilutive effect.
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Options | 542 |  |  | 752 |  |  | 563 |  |  | 812 |
2019 Warrants | 1,500 |  |  | 1,500 |  |  | 1,500 |  |  | 1,500 |
| 2,042 |  |  | 2,252 |  |  | 2,063 |  |  | 2,312 |

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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 http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of the effect of income (loss) on basic earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=125512782&loc=d3e4984-109258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=125511455&loc=d3e1278-109256 + Details
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