Description of the Business and Summary of Significant Accounting Policies (Schedule of Potentially Dilutive Common Stock Equivalents) (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common stock equivalents	27,473,940	32,257,712	27,473,940	32,257,712
Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common stock equivalents	4,872,834	5,416,606	4,872,834	5,416,606
Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common stock equivalents	15,055,773	19,295,773	15,055,773	19,295,773
Convertible Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common stock equivalents	7,545,333	7,545,333	7,545,333	7,545,333