Calculation of Basic and Diluted Net Income Per Common Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Numerator
Net income	$ 4,158	$ 5,086
Denominator
Basic weighted average common shares outstanding	6,978,469	7,110,762
Dilutive effect of stock options	10,000	7,000
Diluted weighted average common shares outstanding	6,988,407	7,117,572
Basic net income per common share	$ 0.60	$ 0.72
Diluted net income per common share	$ 0.59	$ 0.71