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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