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Net Loss Per Share (Tables) | 6 Months Ended
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Jun. 30, 2020
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Net Loss Per Common Share | The following table presents the computation of basic and diluted net loss per share:
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Numerator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (11,793 | ) |  | $ | (16,691 | ) |  | $ | (24,477 | ) |  | $ | (32,997 | )
Denominator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares outstanding |  |  | 27,135,107 |  |  |  | 20,817,466 |  |  |  | 26,964,717 |  |  |  | 20,201,819 |
Less: Weighted-average shares subject to repurchase |  |  | (17,675 | ) |  |  | (58,070 | ) |  |  | (19,420 | ) |  |  | (63,063 | )
Denominator for basic and diluted net loss per share |  |  | 27,117,432 |  |  |  | 20,759,396 |  |  |  | 26,945,297 |  |  |  | 20,138,756 |
Basic and diluted net loss per share |  | $ | (0.43 | ) |  | $ | (0.80 | ) |  | $ | (0.91 | ) |  | $ | (1.64 | )
Effect of Anti-dilutive Securities | The Company reported net losses for all periods presented and, as such, all potentially dilutive shares of common stock would have been antidilutive for such periods. The table below presents the weighted-average securities (in common equivalent shares) outstanding during the periods presented that have been excluded from the calculation of diluted net loss per share because their effect would be anti-dilutive:
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Common stock options and restricted stock units |  |  | 10,171,737 |  |  |  | 10,125,468 |  |  |  | 9,976,772 |  |  |  | 9,715,403 |
Warrants to purchase common stock |  |  | 1,674,387 |  |  |  | 1,297,151 |  |  |  | 1,485,769 |  |  |  | 1,297,151 |
|  |  | 11,846,124 |  |  |  | 11,422,619 |  |  |  | 11,462,541 |  |  |  | 11,012,554 |

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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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