CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Mar. 31, 2017	Jun. 30, 2016
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	37,483,583	37,150,165
Common stock, outstanding shares	36,876,849	36,604,202
Treasury stock, shares	606,734	545,963