CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2015	Jun. 30, 2015
CONSOLIDATED BALANCE SHEETS
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized shares	100,000,000	100,000,000
Common stock, issued shares	36,991,896	36,783,381
Common stock, outstanding shares	36,457,466	36,264,585
Treasury stock, shares	534,430	518,796