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Summary of Significant Accounting Policies (Details) - Schedule of potentially dilutive securities excluded from the computation of basic and diluted net loss per share - shares
 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Schedule of potentially dilutive securities excluded from the computation of basic and diluted net loss per share [Abstract]        
Shares of common stock issuable upon conversion of convertible notes 226,347,786 2,562,481,459 3,697,833,022
Options to purchase shares of common stock 27,621,765 27,621,765 27,621,765 27,621,765
Warrants to purchase shares of common stock 11,575,000 12,015,002 2,521,077,555 3,342,376,365
Shares of common stock issuable upon conversion of preferred stock 7,817,778,624 1,000,000 6,709,317,940
Total potentially dilutive shares 8,083,323,175 40,636,767 11,820,498,719 7,067,831,152