Summary of Significant Accounting Policies (Schedule of Antidilutive Securities Earnings Per Share) (Details) - shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Summary of antidilutive securities excluded from computation of earnings per share
Total potentially dilutive common shares	10,454,812	12,253,812
Series C Convertible Preferred Stock [Member]
Summary of antidilutive securities excluded from computation of earnings per share
Total potentially dilutive common shares	524,736	524,736
Series D Convertible Preferred Stock [Member]
Summary of antidilutive securities excluded from computation of earnings per share
Total potentially dilutive common shares	3,628,576	3,628,576
Stock Compensation Plan [Member]
Summary of antidilutive securities excluded from computation of earnings per share
Total potentially dilutive common shares	6,301,500	8,100,500