Stock-Based Compensation, Stock Options Outstanding and Exercisable (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Total intrinsic value of options exercised	$ 210,000	$ 58,000	$ 325,000	$ 135,000
Options granted (in shares)			0	0
$12.50 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower range limit (in dollars per share)			$ 6.25
Range of exercise prices, upper range limit (in dollars per share)			$ 6.25
Number outstanding (in shares)	65,970		65,970
Options outstanding, weighted average remaining contractual life			2 years 6 months
Options outstanding, weighted average exercise price (in dollars per share)	$ 6.25		$ 6.25
Options exercisable, weighted average remaining contractual life			2 years 6 months
Options exercisable, weighted average exercise price (in dollars per share)	$ 6.25		$ 6.25