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Net Loss Per Share (Tables) | 6 Months Ended
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Jun. 30, 2018
Net Loss Per Share |
Computation of Basic and Diluted Loss Per Share Attributable to Common Stockholders | As the Company had net losses for the three and six months ended June 30, 2018 and 2017, all potential common shares were determined to be anti-dilutive. The following table sets forth the computation of net loss per common share (in thousands, except share and per share amounts):
|  | Three Months Ended |  | Six Months Ended
|  | June 30, |  | June 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (22,291) |  | $ | (25,721) |  | $ | (39,310) |  | $ | (53,729)
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding - basic and diluted |  |  | 52,824,483 |  |  | 47,403,243 |  |  | 50,206,470 |  |  | 47,373,404
Net loss per share - basic and diluted |  | $ | (0.42) |  | $ | (0.54) |  | $ | (0.78) |  | $ | (1.13)

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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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