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Loss Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Computation of loss per common share | The following is the computation of loss per common share for the three and nine months ended September 30, 2021 and 2020:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Net loss | $ | (23,531) |  |  | $ | (8,822) |  |  | $ | (50,277) |  |  | $ | (11,983) |
Weighted-average basic and diluted common shares outstanding | 88,105,066 |  |  | 87,227,136 |  |  | 88,001,222 |  |  | 87,160,520 |
Loss per share - basic and diluted | $ | (0.27) |  |  | $ | (0.10) |  |  | $ | (0.57) |  |  | $ | (0.14) |
Antidilutive Securities | The outstanding securities presented below were excluded from the calculation of loss per common share, for the periods presented, because such securities would have been anti-dilutive due to the Company’s loss per share during that period:
| As of September 30,
| 2021 |  | 2020
Options to purchase common stock | 11,059,955 |  |  | 7,739,781 |
Restricted stock units | 546,625 |  |  | — |
Warrants to purchase common stock | — |  |  | 413,320 |

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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 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 http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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