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Net Loss Per Share of Common Stock | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Net Loss Per Share of Common Stock | 7. Net Loss Per Share of Common Stock The following table is a reconciliation of the numerators and denominators used in the calculation of basic and diluted net loss per share computations for the years ended December 31, 2018 and 2017:
|  | Year Ended December 31, |
|  | 2018 |  |  | 2017 |
Net loss |  | $ | (19,194,236 | ) |  | $ | (4,138,298 | )
Weighted average common shares outstanding – basic and diluted |  |  | 121,154,334 |  |  |  | 27,906,090 |
Net loss per share – basic and diluted |  | $ | (0.16 | ) |  | $ | (0.11 | )
The following outstanding shares of common stock equivalents were excluded from the computation of diluted net loss per share of common stock for the periods presented because including them would have been antidilutive:
|  | Year Ended December 31, |
|  | 2018 |  |  | 2017 |
Stock options |  |  | 3,600,073 |  |  |  | 1,130,000 |
Unvested restricted stock |  |  | 1,543,501 |  |  |  | 1,050,000 |
Common shares underlying convertible debt |  |  | 5,000,000 |  |  |  | 4,000,000 |
Common shares underlying convertible preferred stock |  |  | - |  |  |  | 50,335,500 |
Warrants |  |  | 53,130,750 |  |  |  | 11,649,500 |

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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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