Preferred Stock Convertible Redeemable Series E Preferred Stock (Details) (USD $)	9 Months Ended		12 Months Ended			0 Months Ended				0 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Oct. 25, 2012	Nov. 19, 2010	Nov. 19, 2010 Series E Seven Percent Senior Convertible Preferred Stock [Member]	Sep. 30, 2013 Warrant to purchase 0.25 of a share of Common Stock [Member]	Nov. 19, 2010 Warrant to purchase 0.25 of a share of Common Stock [Member]	Nov. 19, 2010 Warrant to purchase 0.0155 of a share of Common Stock [Member]	Nov. 19, 2010 Preferred Offering Unit [Member]	Sep. 30, 2013 Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2012 Fair Value, Inputs, Level 3 [Member]
Class of Stock [Line Items]
Preferred Offering Units					10,582,011
Preferred Stock, Dividend Rate, Percentage						7.00%
Preferred stock, par value	$ 0.01		$ 0.01		$ 0.01
Stock and Warrants Issued During Period, Shares, Preferred Stock and Warrants							199,031	132,249	16,442
Sale of Stock, Price Per Share					$ 0.945
Net proceeds from issuance of capital stock	$ 21,517,422	$ 12,160,227								$ 10,000,000
Net Proceeds from Issuance or Sale of Equity										8,900,000
Preferred Stock, Shares Outstanding	10,000		10,000	2,351,558
Common stock issued in payment of dividends for the Convertible Redeemable Series E 7% Preferred Stock			3,400,000
Proceeds from (Repurchase of) Redeemable Preferred Stock			2,500,000
Payments of Dividends, Preferred Stock and Preference Stock			3,100,000
Payments for Repurchase of Redeemable Preferred Stock			200,000
Increase (Decrease) in Interest Payable, Net			36,000
Warrant Derivative Liabilities											$ 114,100	$ 101,200