Condensed Consolidated Statements of Stockholders Equity (Unaudited) - USD ($)	Series B Preferred Stock [Member]	Common Stock [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2019		$ 33,637		$ 479,197,849	$ (464,026,774)	$ 15,204,712
Balance, shares at Dec. 31, 2019		33,637,501
Issuance of stock options/restricted stock and warrants for compensation and services				86,662		86,662
Net loss					(1,172,786)	(1,172,786)
Balance at Mar. 31, 2020		$ 33,637		479,284,511	(465,199,560)	14,118,588
Balance, shares at Mar. 31, 2020		33,637,501
Balance at Dec. 31, 2020		$ 36,480		479,561,860	(470,727,380)	8,870,960
Balance, shares at Dec. 31, 2020		36,480,038
Net loss					(1,279,303)	(1,279,303)
Balance at Mar. 31, 2021		$ 36,480		$ 479,561,860	$ (472,006,683)	$ 7,591,657
Balance, shares at Mar. 31, 2021		36,480,038