Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2015	Jun. 30, 2014
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	97,671,000	102,173,000
Common stock, shares outstanding	97,671,000	102,173,000