Stock-Based Compensation Plans (Details 2) - USD ($)	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Outstanding Shares [Roll Forward]
Outstanding at beginning	1,557,616	1,663,329	1,729,991
Granted	320,000	549,000	324,000
Excercised	(82,737)	(579,463)	(178,212)
Forfeited	(4,375)	(47,250)	(50,250)
Expired	(280)	(28,000)	(162,200)
Outstanding at ending	1,790,224	1,557,616	1,663,329
Vested and exercisable at ending	813,349	620,256	967,056
Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning	$ 5.80	$ 3.88	$ 3.65
Granted	8.80	10.11	4.94
Excercised	4.60	4.11	2.72
Forfeited	9.23	7.70	4.31
Expired	5.82	8.00	4.67
Outstanding at ending	6.38	5.80	3.88
Vested and exercisable at ending	$ 3.82	$ 3.19	$ 3.81
Aggregate Intrinsic Value [Roll Forward]
Outstanding at ending	$ 1,675,072	$ 6,553,821	$ 4,879,106
Vested and exercisable at ending	$ 1,501,208	$ 3,911,604	$ 2,937,802