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Common Stock (Tables) | 12 Months Ended
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Dec. 31, 2014
Common Stock |
Schedule of shares of common stock for the potential exercise of stock options and stock issuance of shares upon vesting of restricted stock units |
|  | December 31, 2014 |  | December 31, 2013 |
Outstanding stock options |  |  | 3,628,628 |  |  | 2,413,237 |
Outstanding restricted stock units |  |  | 54,078 |  |  | 96,155 |

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- Definition Tabular disclosure of shares of common stock reserved for future issuance. + References No definition available. + Details
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