Calculation of Basic and Diluted Net Income Per Common Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Numerator
Net income	$ 88	$ 697
Denominator
Basic weighted average common shares outstanding	6,816,494	6,917,807
Dilutive effect of stock options	28,000	11,000
Diluted weighted average common shares outstanding	6,843,987	6,929,003
Basic net income per common share	$ 0.01	$ 0.10
Diluted net income per common share	$ 0.01	$ 0.10