Stock-Based Compensation (Details) - 2008 Stock Option Plan [Member] - Stock Option [Member] $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) $ / shares shares
Stock option activity, shares [Roll Forward]
Outstanding at beginning of year (in shares)		37,770
Exercised (in shares)		(4,000)
Outstanding and exercisable at period end (in shares)	33,770	33,770
Stock option activity, weighted average exercise price per share [Abstract]
Outstanding at beginning of year (in dollars per share) | $ / shares		$ 6.25
Exercised (in dollars per share) | $ / shares		6.25
Outstanding and exercisable at period end (in dollars per share) | $ / shares	$ 6.25	$ 6.25
Options outstanding, intrinsic value | $	$ 890	$ 890
Options exercisable, intrinsic value | $	890	890
Options exercised during period, total intrinsic value | $	$ 80	$ 103
Options granted (in shares)		0