Convertible Notes and Warrants (Details 3) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended		9 Months Ended					3 Months Ended	9 Months Ended						0 Months Ended	1 Months Ended	3 Months Ended		9 Months Ended
	Jan. 16, 2013	Feb. 22, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 18, 2013	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2013 2012 Warrant Liabilities	Sep. 30, 2013 2012 Warrant Liabilities	Sep. 30, 2012 2012 Warrant Liabilities	Sep. 18, 2013 2012 Warrant Liabilities	Feb. 22, 2013 2012 Warrant Liabilities	Jan. 16, 2013 2012 Warrant Liabilities	Dec. 31, 2012 2012 Warrant Liabilities	Jul. 02, 2012 2012 Convertible Notes	Feb. 22, 2013 2012 Convertible Notes	Sep. 30, 2013 2012 Convertible Notes	Sep. 30, 2012 2012 Convertible Notes	Sep. 30, 2013 2012 Convertible Notes	Sep. 30, 2012 2012 Convertible Notes	Sep. 18, 2013 2012 Convertible Notes	Jan. 16, 2013 2012 Convertible Notes	Dec. 31, 2012 2012 Convertible Notes
Convertible Notes and Warrants
Allocation of initial proceeds	$ 250,000					$ 1,000,000						$ 583,000					$ 417,000					$ 417,000
Debt discount to be amortized																	583,000
Amortization of debt discount		95,000			158,000	215,000												55,000		17,000		17,000
Total Liabilities	12,592,000	17,490,000	12,245,000	15,876,000	12,245,000	15,876,000	13,537,000	11,898,000	6,927,000	283,000	283,000	2,500,000	424,000	1,632,000	1,800,000	1,800,000		1,516,000	1,290,000	1,936,000	1,290,000	1,936,000	1,390,000	1,588,000	1,588,000
Impact to other income (expense)			1,620,000	(757,000)	3,485,000	(4,218,000)													(110,000)	(1,502,000)	353,000	(1,502,000)
Impact to other income (expense)			1,078,000	(1,117,000)	3,192,000	(3,517,000)				458,000	1,279,000
Warrants exercised (in shares)										9,250,535
Shares of common stock issued on conversion of warrants										3,401,809
Cashless exercise of warrants					$ 2,655,000					$ 238,000