Nature of Business and Summary of Significant Accounting Policies - Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Schedule of Weighted Average Number of Diluted Shares Outstanding [Line Items]
Basic EPS	$ 890	$ 568
Weighted Average Shares, Basic EPS	18,846,000	18,787,000
Stock Options	33,000	51,000
Diluted EPS	$ 890	$ 568
Weighted Average Shares, Diluted EPS	18,879,000	18,838,000
Net Income Per Share, Basic	$ 0.05	$ 0.03
Net Income Per Share, Diluted	$ 0.05	$ 0.03