Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Stockholders' equity
Preferred stock par value	$ 0.001	$ 0.001
Preferred stock shares authorized	15,000,000	15,000,000
Preferred stock shares issued	150	200
Preferred stock shares outstanding	150	200
Common stock par value	$ 0.001	$ 0.001
Common stock shares authorized	100,000,000	100,000,000
Common stock shares issued	55,721,075	48,700,929
Common stock shares outstanding	55,721,075	48,700,929