Consolidated Statements of Stockholders' Equity (Deficit) (USD $)	Total	Series B Convertible Preferred Stock	Series C Convertible Preferred Stock	Series E Convertible Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Treasury Stock
Beginning Balances at Dec. 31, 2010	$ 160,120	$ 80	$ 20	$ 8	$ 3,927	$ 72,641,272	$ (72,473,281)	$ (11,906)
Beginning Balances, Shares at Dec. 31, 2010		800,000	200,000	80,000	39,277,815
Stock based compensation expense	131,858					131,858
Employee stock purchase plan issuance	8,623				5	8,618
Employee stock purchase plan issuance, Shares					45,624
Conversion of preferred stock to common stock		(80)	(20)		1,667	(1,567)
Conversion of preferred stock to common stock, Shares		(800,000)	(200,000)		16,666,666
Forfeiture of convertible preferred stock dividends - Series B	33,140						33,140
Forfeiture of convertible preferred stock dividends - Series C	27,615						27,615
Exercise of stock option	566					566
Exercise of stock option, Shares	3,333				3,333
Stock and warrants issued in private placement	425,000				378	424,622
Stock and warrants issued in private placement, Shares					3,775,408
Net loss	(3,021,421)						(3,021,421)
Ending Balances at Dec. 31, 2011	(2,234,499)			8	5,977	73,205,369	(75,433,947)	(11,906)
Ending Balances, Shares at Dec. 31, 2011				80,000	59,768,846
Stock based compensation expense	80,896					80,896
Employee stock purchase plan issuance	3,306				4	3,302
Employee stock purchase plan issuance, Shares					36,481
Stock and warrants issued in private placement	320,000				284	319,716
Stock and warrants issued in private placement, Shares					2,842,660
Net loss	(1,521,522)						(1,521,522)
Ending Balances at Dec. 31, 2012	$ (3,351,819)			$ 8	$ 6,265	$ 73,609,283	$ (76,955,469)	$ (11,906)
Ending Balances, Shares at Dec. 31, 2012				80,000	62,647,987