Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2013	Jun. 30, 2012
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	50,000,000	50,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	117,088,000	110,174,000
Common stock, shares outstanding	117,008,000	110,174,000