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Net Loss Per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Net Loss per Share | The following table sets forth the computation of the basic and diluted net loss per share during the years ended December 31, 2020, 2019 and 2018 (in thousands, except share and per share data):
| Year Ended December 31,
| 2020 |  | 2019 |  | 2018
Numerator: |  |  |  |  |
Net loss | $ | (43,830) |  |  | $ | (54,568) |  |  | $ | (50,378) |
Denominator: |  |  |  |  |
Weighted-average shares used to compute net loss per common share, basic and diluted | 27,754,404 |  |  | 25,265,918 |  |  | 23,885,858 |
Net loss per common share, basic and diluted | $ | (1.58) |  |  | $ | (2.16) |  |  | $ | (2.11) |
Schedule of Anti-dilutive Securities Excluded from Diluted Net Loss per Common Share | The following outstanding shares of potentially dilutive securities have been excluded from diluted net loss per common share for the years ended December 31, 2020, 2019 and 2018 because their inclusion would be anti-dilutive:
| Year Ended December 31,
| 2020 |  | 2019 |  | 2018
Options to purchase common stock | 609,881 |  |  | 1,503,247 |  |  | 2,094,137 |
RSUs issued and unvested | 1,114,159 |  |  | 886,030 |  |  | 547,891 |
Warrants to purchase common stock | — |  |  | — |  |  | 4,857 |
Total | 1,724,040 |  |  | 2,389,277 |  |  | 2,646,885 |

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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=6371337&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=6371337&loc=d3e3550-109257 + Details
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