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Basis of Presentation (Tables) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018
Accounting Policies [Abstract] |  |
Schedule of potentially dilutive securities |
Security |  | 2019 |  |  | 2018 |
Stock Options |  |  | 106,253,339 |  |  |  | 107,958,331 |
Warrants |  |  | 46,201,477 |  |  |  | 45,964,543 |
Total |  |  | 152,454,816 |  |  |  | 153,922,874 |
|  | 2018 |  |  | 2017 |
Stock Options |  |  | 106,253,339 |  |  |  | 103,208,331 |
Warrants |  |  | 46,201,477 |  |  |  | 48,164,543 |
Total |  |  | 152,454,816 |  |  |  | 151,372,874 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + 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 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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