Stock-Based Compensation (Details 1) (Employee Stock Option [Member], USD $)	6 Months Ended
	Dec. 31, 2014
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Outstanding at beginning of period	1,663,329
Number of Shares, Granted	279,000
Number of Shares, Exercised	(471,701)
Number of Shares, Forfeited	(4,250)
Number of Shares, Expired	(28,000)
Number of Shares, Outstanding at end of period	1,438,378
Number of Shares, Exercisable and vested	709,056
Number of shares, Available for grant	289,725
Weighted Average Exercise Price, Outstanding at beginning of period	$ 3.88
Weighted Average Exercise Price, Granted	$ 7.71
Weighted Average Exercise Price, Exercised	$ 3.79
Weighted Average Exercise Price, Forfeited	$ 3.78
Weighted Average Exercise Price, Expired	$ 8.00
Weighted Average Exercise Price, Outstanding at end of period	$ 4.57
Weighted Average Exercise Price, Exercisable and vested	$ 3.55
Weighte Average Remaining Contractual Life, Outstanding (in years)	6 years 6 months
Weighte Average Remaining Contractual Life, Exercisable and vested (in years)	5 years 3 months 18 days
Aggregate Intrinsic Value, Exercised (in dollars)	$ 1,204,388	[1]
Aggregate Intrinsic Value, Outstanding (in dollars)	11,220,393	[1]
Aggregate Intrinsic Value, Exercisable and vested (in dollars)	$ 6,256,483	[1]

[1] Intrinsic value for purposes of this table represents the amount by which the fair value of the underlying stock, based on the respective market prices at December 31, 2014 or if exercised, the exercise dates, exceeds the exercise prices of the respective options.