Securities Purchase Agreement (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified				0 Months Ended		9 Months Ended	0 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 24, 2013 Series F Convertible Preferred Stock	Sep. 24, 2013 Series C-2 Convertible Preferred Stock	Sep. 24, 2013 Series C-1 Convertible Preferred Stock	Sep. 30, 2013 Series C-1 Convertible Preferred Stock	Sep. 24, 2013 Private Placement	Sep. 24, 2013 Private Placement Common Stock	Sep. 24, 2013 Private Placement Series F Convertible Preferred Stock
Stock Transactions [Line Items]
Securities Purchase Agreement, aggregate price								$ 10
Securities Purchase Agreement, number of shares issued in transaction								96,431,000	3,250
Common stock, par value	$ 0.0001	$ 0.0001						$ 0.0001
Securities Purchase Agreement, price per share								$ 0.07	$ 1,000.00
Securities Purchase Agreement, proceeds, net of commissions							$ 9.7
Convertible preferred stock, conversion price			$ 0.0700		$ 0.0116
Convertible preferred stock, conversion right cap, percent of common stock ownership			9.999%
Conversion of stock, shares converted				557		11
Conversion of stock, shares issued					557