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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2014
Accounting Policies [Abstract] |
Schedule of Effect On Net Income and Weighted Average Number of Shares | The following data represents the amounts used in computing EPS and the effect on net income and the weighted average number of shares of dilutive potential common stock:
|  | Year ended December 31, |
|  | 2013 |  |  | 2014 |
Net loss available to common stockholders |  | $ | (29,714 | ) |  | $ | (27,145 | )
Weighted average shares outstanding: |  |  |  |  |  |  |  |
-Basic |  |  | 18,916 |  |  |  | 22,844 |
Add: Warrants |  |  | — |  |  |  | — |
Add: Stock options |  |  | — |  |  |  | — |
-Diluted |  |  | 18,916 |  |  |  | 22,844 |
Basic and diluted net loss per share |  | $ | (1.57 | ) |  | $ | (1.19 | )

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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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