Summary of Significant Accounting Policies (Tables)
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9 Months Ended |
12 Months Ended |
Sep. 30, 2019 |
Dec. 31, 2018 |
| Accounting Policies [Abstract] |
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| Schedule of basic and diluted net loss per share |
| | Three Months Ended September 30, (Unaudited) | | | Nine Months Ended September 30, (Unaudited) | | | | 2019 | | | 2018 | | | 2019 | | | 2018 | | Basic net loss per share: | | | | | | | | | | | | | Net loss | | $ | (4,931,125 | ) | | $ | (2,096,349 | ) | | $ | (3,800,227 | ) | | $ | (12,972,142 | ) | Weighted average common shares outstanding – basic | | | 133,001,746 | | | | 131,445,057 | | | | 132,885,675 | | | | 117,434,563 | | Net loss per share - basic | | $ | (0.04 | ) | | $ | (0.02 | ) | | $ | (0.03 | ) | | $ | (0.11 | ) | | | | | | | | | | | | | | | | | | Diluted net loss per share: | | | | | | | | | | | | | | | | | Net loss (as adjusted) | | $ | (4,931,125 | ) | | $ | (2,096,349 | ) | | $ | (5,656,982 | ) | | $ | (12,972,142 | ) | Weighted average common shares outstanding – diluted | | | 133,001,746 | | | | 131,445,057 | | | | 167,690,989 | | | | 117,434,563 | | Net loss per share - diluted | | $ | (0.04 | ) | | $ | (0.02 | ) | | $ | (0.03 | ) | | $ | (0.11 | ) |
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| | 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 | ) |
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| Schedule of outstanding shares of common stock equivalents were excluded from the computation of diluted earnings per share |
| | As of Three Months Ended September 30, (Unaudited) | | | As of Nine Months Ended September 30, (Unaudited) | | | | 2019 | | | 2018 | | | 2019 | | | 2018 | | Stock options | | | 4,512,715 | | | | 1,850,073 | | | | 4,512,715 | | | | 1,850,073 | | Unvested restricted stock | | | 1,093,501 | | | | 1,918,501 | | | | 1,093,501 | | | | 1,918,501 | | Common shares underlying convertible debt | | | 15,000,000 | | | | - | | | | 15,000,000 | | | | - | | Warrants | | | 57,943,250 | | | | 51,055,750 | | | | 23,137,935 | | | | 51,055,750 | |
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| | 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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