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Net Loss per Share (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Schedule of Computation of Basic and Diluted Net Loss per Share | The following table sets forth the computation of basic and diluted net loss per share (in thousands, except for share and per share amounts):
|  | 2019 |  |  | 2018 |
Numerator: |  |  |  |  |  |  |  |
Net loss |  | $ | (51,373 | ) |  | $ | (48,435 | )
Denominator: |  |  |  |  |  |  |  |
Weighted-average common shares outstanding - basic and diluted |  |  | 30,284,068 |  |  |  | 23,882,685 |
Net loss per share - basic and diluted |  | $ | (1.70 | ) |  | $ | (2.03 | )
Schedule of Potentially Common Shares Excluded from Calculation of Net Loss Per share | The following potential common shares, presented based on amounts outstanding at each period end, were excluded from the calculation of the diluted net loss per share attributable to common stockholders for the period indicated because including them would have had an anti-dilutive effect.
|  | As of December 31, |
|  | 2019 |  |  | 2018 |
Unvested restricted common stock awards |  |  | 586,929 |  |  |  | 118,679 |
Outstanding options to purchase common stock |  |  | 2,286,419 |  |  |  | 1,739,884 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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