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Net Loss Per Share (Tables) | 9 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Schedule of Computation of Basic and Diluted Net Loss Per Share Attributable to Common Stockholders | The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2015 |  |  | 2014 |  |  | 2015 |  |  | 2014 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (4,932 | ) |  | $ | (11,134 | ) |  | $ | (21,631 | ) |  | $ | (21,588 | )
Accretion of redeemable preferred stock |  |  | — |  |  |  | (13 | ) |  |  | — |  |  |  | (39 | )
Net loss attributable to common stockholders |  | $ | (4,932 | ) |  | $ | (11,147 | ) |  | $ | (21,631 | ) |  | $ | (21,627 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding — basic and diluted |  |  | 14,654,427 |  |  |  | 187,044 |  |  |  | 5,860,758 |  |  |  | 186,792 |
Net loss per share attributable to common stockholders — basic and diluted |  | $ | (0.34 | ) |  | $ | (59.60 | ) |  | $ | (3.69 | ) |  | $ | (115.78 | )
Schedule of Computation of Diluted Weighted-Average Shares Outstanding Anti-Dilutive | The following potentially dilutive securities outstanding prior to the use of the treasury stock method have been excluded from the computation of diluted weighted-average shares outstanding, as they would be anti-dilutive.
|  | As of September 30, |
|  | 2015 |  |  | 2014 |
Convertible preferred stock (as converted to common stock) |  |  | — |  |  |  | 5,269,885 |
Options to purchase common stock |  |  | 2,224,270 |  |  |  | 806,015 |
Warrants to purchase common stock |  |  | 4,503,440 |  |  |  | — |
Convertible notes and accrued interest (as converted to common stock) |  |  | — |  |  |  | 5,802,189 |
Settlement of term loan |  |  | 85,251 |  |  |  | — |

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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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