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Net Loss Per Share | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Net Loss Per Share |
10. | Net Loss Per Share
The following securities were excluded from the calculation of diluted net loss per share because their effect would have been anti-dilutive for the three years presented (in thousands):
|  | Years Ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Employee stock options |  |  | 10,430 |  |  |  | 11,550 |  |  |  | 13,660 |
RSUs outstanding |  |  | 1,428 |  |  |  | 1,562 |  |  |  | 1,211 |
Warrants |  |  | 4 |  |  |  | 4 |  |  |  | 4 |
|  |  | 11,862 |  |  |  | 13,116 |  |  |  | 14,875 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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