Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Deferred tax asset:
Intangible assets	$ 768	$ 779
Deferred compensation	596	588
Accrued expenses and other	300	328
Net operating loss and tax credit carryforwards	63,635	60,473
Total gross deferred tax assets	65,299	62,168
Less: Valuation allowance	(65,299)	(62,168)
Net deferred tax assets