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Net Loss per Share Attributable to Common Stockholders (Tables) | 12 Months Ended
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Dec. 31, 2016
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Net Loss per Share Attributable to Common Stockholders | The following table sets forth the computation of the basic and diluted net loss per share attributable to common stockholders (in thousands, except share and per share data):
|  | Year Ended December 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (37,177 | ) |  | $ | (14,858 | ) |  | $ | (11,072 | )
Accretion of redeemable convertible preferred stock |  |  | (558 | ) |  |  | (75 | ) |  |  | (146 | )
Net loss attributable to common stockholders |  | $ | (37,735 | ) |  | $ | (14,933 | ) |  | $ | (11,218 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares used to compute net loss per common share, basic and diluted |  |  | 6,501,796 |  |  |  | 251,717 |  |  |  | 227,197 |
Net loss per share attributable to common stockholders, basic and diluted |  | $ | (5.80 | ) |  | $ | (59.32 | ) |  | $ | (49.38 | )
Schedule of Antidilutive Securities Excluded from Computation of Diluted Net Loss Per Share |
The following outstanding shares of potentially dilutive securities have been excluded from diluted net loss per share calculations for the years ended December 31, 2016, 2015 and 2014, because their inclusion would be anti-dilutive: |
|  | Year Ended December 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Redeemable convertible preferred stock on an as-converted basis |  |  | — |  |  |  | 5,323,103 |  |  |  | 2,899,134 |
Options to purchase common stock |  |  | 2,393,829 |  |  |  | 833,178 |  |  |  | 476,006 |
Warrants to purchase redeemable convertible preferred stock on an as-converted basis |  |  | — |  |  |  | 275,861 |  |  |  | 275,861 |
Total |  |  | 2,393,829 |  |  |  | 6,432,142 |  |  |  | 3,651,001 |

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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://www.xbrl.org/2003/role/presentationRef -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/2003/role/presentationRef -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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