CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Common stock, par value per share	$ 0.000666	$ 0.000666
Common stock, shares authorized	3,950,000,000	3,950,000,000
Common stock, shares issued	80,556,241	70,188,937
Common stock, shares outstanding	80,556,241	70,188,937
Preferred stock, shares authorized	50,000,000	50,000,000
7.5% Series A-1 Convertible Preferred Stock [Member]
Preferred stock, dividend rate	7.50%	7.50%
Preferred stock, par or stated value per share	$ 0.000666	$ 0.000666
Preferred stock, shares authorized	1,500,000	1,500,000
Preferred stock, shares issued	24,362	24,362
Preferred stock, shares outstanding	24,362	24,362
7.5% Series A-2 Convertible Preferred Stock [Member]
Preferred stock, dividend rate	7.50%	7.50%
Preferred stock, par or stated value per share	$ 0.000666	$ 0.000666
Preferred stock, shares authorized	250,000	250,000
Preferred stock, shares issued	1,610	1,610
Preferred stock, shares outstanding	1,610	1,610
7.5% Series B Convertible Preferred Stock [Member]
Preferred stock, dividend rate	7.50%	7.50%
Preferred stock, par or stated value per share	$ 0.000666	$ 0.000666
Preferred stock, shares authorized	600,000	600,000
Preferred stock, shares issued	22,975	24,193
Preferred stock, shares outstanding	22,975	24,193