Nature of Business and Summary of Significant Accounting Policies - Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Schedule of Weighted Average Number of Diluted Shares Outstanding [Line Items]
Weighted Average Shares, Basic EPS	18,931,000	19,188,000	18,948,000	19,304,000
Effect of Dilutive Securities Stock Options	26,000	1,000	23,000	0
Weighted average shares, Diluted EPS	18,957,000	19,189,000	18,971,000	19,304,000
Net Income Available to Common Stockholders, Basic, Total	$ 976	$ 951	$ 1,291	$ 1,110
Net Income Available to Common Stockholders, Diluted, Total	$ 976	$ 951	$ 1,291	$ 1,110
Net Income Per Share Basic	$ 0.05	$ 0.05	$ 0.07	$ 0.06
Net Income Per Share Diluted	$ 0.05	$ 0.05	$ 0.07	$ 0.06