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Summary of Significant Accounting Policies (Schedule of potentially dilutive securities) (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Series A Preferred Stock [Member]        
Preferred stock (convertible) 24,900,000 24,900,000 24,900,000 24,900,000
Series B Preferred Stock [Member]        
Preferred stock (convertible) 14,737,440 3,110,240 14,737,440 3,110,240