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Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Computation of Diluted Net Loss Per Share (Details) - shares
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Total 175,134,884 103,812,893
Stock Options [Member]    
Total 164,295,237 35,295,237
Warrants [Member]    
Total 56,783,551
Convertible Notes [Member]    
Total 10,816,327 11,710,785
Shares Underlying Convertible Preferred Stock [Member]    
Total 23,320 23,320