Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Common stock, shares authorized	7,500,000,000	7,500,000,000
Common stock, shares issued	488,057,870	332,321,819
Common stock, shares outstanding	488,057,870	332,321,819
Treasury stock, shares	2,012	2,012
Series C Convertible Preferred Stock [Member]
Convertible preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Convertible preferred stock, shares authorized	27,000	27,000
Convertible preferred stock, shares issued	4,597	4,816
Convertible preferred stock, shares outstanding	4,597	4,816
Preferred Stock, Liquidation Preference, Value	$ 4,597	$ 4,816
Common stock, shares issued	97,468,000
Series D Convertible Preferred Stock [Member]
Convertible preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Convertible preferred stock, shares authorized	25,000	25,000
Convertible preferred stock, shares issued	3,481	3,481
Convertible preferred stock, shares outstanding	3,481	3,481
Preferred Stock, Liquidation Preference, Value	$ 348	$ 348
Common stock, shares issued	16,344,000