Stock-based Compensation (Details 1) (USD $)	9 Months Ended
	Mar. 31, 2014
Number of Shares Subject to Option
Balance, beginning	159,250
Granted	31,600
Exercised	(13,485)
Forfeited or expired	(500)
Outstanding, ending	176,865
Vested or expected to vest, end of period	168,951
Exercisable, end of period	116,415
Weight Average Exercise Price
Balance, beginning	$ 21.12
Granted	$ 27.22
Exercised	$ 19.09
Forfeited or expired	$ 26.20
Outstanding, ending	$ 22.35
Vested or expected to vest, end of period	$ 22.17
Exercisable, end of period	$ 20.33
Weighted Average Remaining Contractual Term
Balance, beginning	6 years 4 months
Granted	9 years 5 months
Outstanding, ending	6 years 3 months
Vested or expected to vest, end of period	6 years 2 months
Exercisable, end of period	4 years 11 months 15 days
Aggregate Intrinsic Value
Outstanding end of period	$ 866,596
Vested or expected to vest, end of period	858,303
Exercisable, end of period	$ 805,419