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Net Loss per Share (Tables) | 9 Months Ended
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Sep. 30, 2020
Net Loss per Share |
Schedule of computation of basic and diluted net loss per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019
​ | ​ | (in thousands, except share and per share amounts)
Numerator: |  | ​ |  |  | ​ |  |  | ​ |  | ​ | ​ | ​
Net loss | ​ | $ | (5,093) | ​ | $ | (4,670) | ​ | $ | (13,806) | ​ | $ | (21,351)
Denominator: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  | ​
Weighted‑average shares used to compute net loss per share, basic and diluted | ​ |  | 113,203,074 | ​ |  | 102,791,023 | ​ |  | 106,333,836 | ​ |  | 102,727,198
Basic and diluted net loss per share | ​ | $ | (0.04) | ​ | $ | (0.05) | ​ | $ | (0.13) | ​ | $ | (0.21)
Schedule of potentially dilutive securities excluded from the computation of diluted weighted-average shares outstanding | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019
Stock options outstanding |  | 7,727,158 |  | 5,913,820 |  | 7,727,158 | ​ | 5,913,820
Unvested restricted stock units |  | 1,291,056 |  | 25,520 |  | 1,291,056 | ​ | 25,520
Total potentially dilutive securities |  | 9,018,214 |  | 5,939,340 |  | 9,018,214 | ​ | 5,939,340

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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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