Stock-Based Compensation Plans (Details 3)	12 Months Ended
	Jun. 30, 2017 $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number | shares	1,191,236
Options Outstanding, Weighted Average Contractual Life (Yrs.)	7 years 1 month 6 days
Options Outstanding, Weighted Average Exercise Price | $ / shares	$ 7.66
Options Exercisable, Number | shares	517,361
Options Exercisable, Weighted Average Exercise Price | $ / shares	$ 6.33
Exercise Prices $0.85-6.74 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number | shares	352,236
Options Outstanding, Weighted Average Contractual Life (Yrs.)	4 years 1 month 6 days
Options Outstanding, Weighted Average Exercise Price | $ / shares	$ 4.09
Options Exercisable, Number | shares	313,861
Options Exercisable, Weighted Average Exercise Price | $ / shares	$ 3.98
Exercise Prices $6.75-8.53 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number | shares	341,750
Options Outstanding, Weighted Average Contractual Life (Yrs.)	8 years 3 months 18 days
Options Outstanding, Weighted Average Exercise Price | $ / shares	$ 7.23
Options Exercisable, Number | shares	85,000
Options Exercisable, Weighted Average Exercise Price | $ / shares	$ 7.57
Exercise Prices $8.54-13.89 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number | shares	497,250
Options Outstanding, Weighted Average Contractual Life (Yrs.)	8 years 4 months 24 days
Options Outstanding, Weighted Average Exercise Price | $ / shares	$ 10.49
Options Exercisable, Number | shares	118,500
Options Exercisable, Weighted Average Exercise Price | $ / shares	$ 11.65