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Net Loss Per Share (Tables) | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Summary of Potentially Dilutive Shares of Common Stock | Because the Company reported a net loss for the years ended December 31, 2018 and 2017, all potentially dilutive shares of common stock have been excluded from the computation of the dilutive net loss per share for all periods presented. Such potentially dilutive shares of common stock consist of the following:
| Years Ended December 31, |
| 2018 |  |  | 2017 |
Potentially dilutive securities, excluded: |  |  |  |  |  |  |
Outstanding stock options |  | 604,003 |  |  |  | 611,975 |
Unvested restricted stock units |  | — |  |  |  | 15,168 |
Warrants to purchase common stock |  | 2,669,855 |  |  |  | 3,633,008 |
|  | 3,273,858 |  |  |  | 4,260,151 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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