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Net Loss per Share Attributable to Common Stockholders (Tables) | 6 Months Ended
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Jun. 30, 2020
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Net Loss per Share | The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders (in thousands, except share and per share data):
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss attributable to common stockholders |  | $ | (9,255 | ) |  | $ | (5,869 | ) |  | $ | (18,394 | ) |  | $ | (11,554 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares outstanding |  |  | 31,731,628 |  |  |  | 6,597,811 |  |  |  | 31,538,329 |  |  |  | 4,854,125 |
Less: weighted-average shares subject to repurchase |  |  | — |  |  |  | (804 | ) |  |  | — |  |  |  | (800 | )
Weighted-average shares outstanding used in computing net loss per share attributable to common stockholders—basic and diluted |  |  | 31,731,628 |  |  |  | 6,597,007 |  |  |  | 31,538,329 |  |  |  | 4,853,325 |
Net loss per share attributable to common stockholders—basic and diluted |  | $ | (0.29 | ) |  | $ | (0.89 | ) |  | $ | (0.58 | ) |  | $ | (2.38 | )
Schedule of Dilutive Securities Excluded from Computation of Diluted Net Loss per Share | The following outstanding shares of potentially dilutive securities were excluded from the computation of diluted net loss per share attributable to common stockholders for the periods presented because including them would have been antidilutive:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Common stock warrants |  |  | 127,598 |  |  |  | 127,598 |  |  |  | 127,598 |  |  |  | 127,598 |
Options to purchase common stock |  |  | 5,624,766 |  |  |  | 4,563,163 |  |  |  | 5,624,766 |  |  |  | 4,563,163 |
Unvested restricted stock units |  |  | 629,470 |  |  |  | — |  |  |  | 629,470 |  |  |  | — |
Employee stock purchase plan |  |  | 95,403 |  |  |  | 61,892 |  |  |  | 95,403 |  |  |  | 61,892 |
Unvested early exercised common stock options |  |  | — |  |  |  | 548 |  |  |  | — |  |  |  | 548 |
Total |  |  | 6,477,237 |  |  |  | 4,753,201 |  |  |  | 6,477,237 |  |  |  | 4,753,201 |

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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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