CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (DEFICIT) (USD $)	Total	Preferred Stock [Member]	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]
Balance at Dec. 31, 2012	$ (466,401)	$ 2,331	$ 543	$ (225,613)	$ 144,673,121	$ (144,916,783)
Balance (in shares) at Dec. 31, 2012		23,305,378	5,425,149	(29,436)
Net loss	(2,262,144)					(2,262,144)
Conversion of Series D Convertible Preferred Stock to common stock	0	(1,701)	580	0	1,121	0
Conversion of Series D Convertible Preferred Stock to common stock (in shares)		(17,001,579)	5,802,126	0
Conversion of Series E Convertible Preferred Stock to common stock	0	(630)	630	0	0	0
Conversion of Series E Convertible Preferred Stock to common stock (in shares)		(6,303,799)	6,303,799	0
Issuance of restricted common stock and warrants for cash	1,822,375	0	6,075	0	1,816,300	0
Issuance of restricted common stock and warrants for cash (in shares)		0	60,745,824	0
Issuance of restricted common stock and warrants in connection with debt conversion	1,503,348	0	4,034	0	1,499,314	0
Issuance of restricted common stock and warrants in connection with debt conversion (in shares)		0	40,333,331	0
Stock-based compensation	574,369	0	0	0	574,369	0
Balance at Jun. 30, 2013	$ 1,171,547	$ 0	$ 11,862	$ (225,613)	$ 148,564,225	$ (147,178,927)
Balance (in shares) at Jun. 30, 2013		0	118,610,229	(29,436)