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, 2012	Sep. 30, 2011
Numerator
Net Income	$ 697	$ 1,528
Denominator
Basic weighted average common shares outstanding	6,917,807	7,013,257
Dilutive effect of stock options	11,000	1,000
Diluted weighted average common shares outstanding	6,929,003	7,013,868
Basic net income per common share	$ 0.10	$ 0.22
Diluted net income per common share	$ 0.10	$ 0.22