Stock Options and Restricted Stock Awards (Details 2) (Restricted Stock Units, USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Restricted Stock Units
Restricted stock unit activity, Number of Shares and Weighted Average Grant Date Fair Value
Number of Shares, Beginning Balance	312,673	284,467	237,719
Number of Shares, Granted	45,228	70,883	50,344
Number of Shares, Forfeited			(3,596)
Number of Shares, Converted to common stock	(61,770)	(42,677)
Number of Shares, Ending Balance	296,131	312,673	284,467
Weighted Average Grant Date Fair Value, Beginning Balance (in usd per share)	$ 8.15	$ 7.67	$ 6.51
Weighted Average Grant Date Fair Value, Granted (in usd per share)	$ 21.87	$ 9.41	$ 13.91
Weighted Average Grant Date Fair Value, Converted to common stock (in usd per share)	$ 8.90	$ 7.03
Weighted Average Grant Date Fair Value, Forfeited (in usd per share)			$ 13.91
Weighted Average Grant Date Fair Value, Ending Balance (in usd per share)	$ 10.09	$ 8.15	$ 7.67