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Stockholders' Deficit (Tables)
6 Months Ended
Jun. 30, 2019
Equity [Abstract]  
Activity related to warrants

   Number of Warrants   Weighted-
Average Exercise
Price per share
   Weighted-
Average
Remaining Life
(Years)
 
Outstanding and exercisable December 31, 2018   249,479   $1.28    3.30 
Issued   1,079,535    0.41    4..84 
Expired/Forfeited            
Exercised            
Outstanding and exercisable June 30, 2019   1,328,832   $0.63    4.41 
Exercisable at June 30, 2019   1,328,832   $0.63    4.41