Summary of Significant Accounting Policies (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Summary of antidilutive securities excluded from computation of earnings per share
Total potentially dilutive common shares	14,138,334	22,023,155	20,316,335	22,023,155
Stock options to purchase common stock [Member]
Summary of antidilutive securities excluded from computation of earnings per share
Total potentially dilutive common shares	8,985,000	16,869,821	15,163,001	16,869,821
Series C Convertible Preferred Stock and related accrued dividends [Member]
Summary of antidilutive securities excluded from computation of earnings per share
Total potentially dilutive common shares	1,524,758	1,524,758	1,524,758	1,524,758
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	3,628,576	3,628,576