General form of registration statement for all companies including face-amount certificate companies

Basic and Diluted Net Loss Per Share - Schedule of Shares of Common Stock Equivalents Excluded from Computation of Diluted Net Loss Per Share (Details) (10-K)

v3.19.2
Basic and Diluted Net Loss Per Share - Schedule of Shares of Common Stock Equivalents Excluded from Computation of Diluted Net Loss Per Share (Details) (10-K) - shares
 6 Months Ended 12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Total common stock equivalents 142,704,792 166,130,883 158,543,623 165,647,549
Common Stock Warrants [Member]        
Total common stock equivalents 100,958,031 127,434,122 118,046,862 127,434,122
Common Stock Options [Member]        
Total common stock equivalents 40,496,761 38,696,761 40,496,761 38,213,427