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Net Loss Per Share of Common Stock | 3 Months Ended
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Mar. 31, 2019
Earnings Per Share [Abstract] |
Net Loss Per Share of Common Stock | NOTE 4 — NET LOSS PER SHARE OF COMMON STOCK Diluted loss per share is the same as basic loss per share for all periods presented as the effects of potentially dilutive items were anti-dilutive given the Company’s net loss. Basic loss per share is computed by dividing net loss by the weighted-average number of common shares outstanding. The following table sets forth the computation of basic and diluted loss per share for common stockholders:
| Three Months Ended |
| March 31, |
| 2019 |  |  | 2018 |
Net loss | $ | (15,827,200 | ) |  | $ | (12,418,263 | )
Weighted average shares of common stock outstanding |  | 38,968,110 |  |  |  | 38,749,343 |
Net loss per share of common stock – basic and diluted | $ | (0.41 | ) |  | $ | (0.32 | )
The following securities outstanding at March 31, 2019 and 2018 have been excluded from the calculation of weighted average shares outstanding as their effect on the calculation of loss per share is antidilutive:
| March 31, |
| 2019 |  |  | 2018 |
Common stock options |  | 8,378,672 |  |  |  | 6,555,150 |
Restricted stock units |  | 127,300 |  |  |  | 185,950 |
Common stock warrants |  | 40,790 |  |  |  | 40,790 |

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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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