Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Common stock, par value	$ 0.001	$ 0.001
Common stock, authorized shares	350,000,000	350,000,000
Common stock, shares issued	273,277,566	218,783,540
Common stock, shares outstanding	272,738,345	218,244,319
Treasury stock, shares	539,221	539,221
Subscription rights, par value	$ 0.000	$ 0.001
Subscription rights, issued	0	54,574,734
Subscription rights, outstanding	0	54,574,734