Income Taxes - Addition Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Income Tax Contingency [Line Items]
Income tax benefit	$ 1,428	$ 1,067
Federal tax benefit	1,559	960
State tax expense benefit	131	107
Net operating loss carry-forward	5,900
Net deferred tax asset	11,149
Unrecognized tax benefits	$ 17		$ 19	$ 37	$ 71