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Net Loss Per Share (Tables) | 12 Months Ended
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Dec. 31, 2016
Earnings Per Share [Abstract] |
Computation of Net Loss Per Common Share | The following table sets forth the computation of net loss per common share (in thousands, except share and per share amounts):
|  | December 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (112,387 | ) |  | $ | (29,621 | ) |  | $ | (3,214 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average number of shares outstanding—basic and diluted |  |  | 40,118,522 |  |  |  | 22,892,640 |  |  |  | 10,248,337 |
Net loss per share-basic and diluted |  | $ | (2.80 | ) |  | $ | (1.29 | ) |  | $ | (0.31 | )
Calculation of Anti-dilutive Potentially Dilutive Securities Not Included in Diluted Per Share | Potentially dilutive securities that were not included in the diluted per share calculations because they would be anti-dilutive were as follows:
|  | December 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Options to purchase common stock |  |  | 2,557,314 |  |  |  | 1,244,442 |  |  |  | 1,007,724 |
Warrants to purchase common stock |  |  | 2,172,899 |  |  |  | 300,302 |  |  |  | — |
Total |  |  | 4,730,213 |  |  |  | 1,544,744 |  |  |  | 1,007,724 |

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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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