Loss Per Share (Details) - shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | |||
| Number of common stock warrant and common stock options exercised | 25,686,153 | 5,787,983 | 10,881,570 |
| Number of common stock issued for stock warrant and stock options exercised | 24,466,106 | 5,392,741 | 10,732,745 |
| Shares surrendered in lieu of cash payment | 1,220,047 | 426 | 148,825 |
| Common stock investments, available for sale | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | |||
| Potential common shares excluded from diluted net loss per share calculation | 14,269,717 | 28,456,149 | 32,105,859 |
| X | ||||||||||
- Definition Shares surrendered in lieu of cash payment. No definition available.
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- Definition Number of common stock warrant and common stock options exercised. No definition available.
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- Definition Number of common stock issued for stock warrant and stock options exercised. No definition available.
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Details
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