Stockholders' Equity - Options Outstanding, Vested and Expected to Vest, and Exercisable (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Options, Outstanding, Number of Shares	8,086
Options, Vested and expected to vest, Number of Shares	7,868
Options, Exercisable, Number of Shares	4,539
Options, Outstanding, Weighted Average Remaining Contractual Life	3 years 9 months 29 days
Options, Vested and expected to vest, Weighted Average Remaining Contractual Life	3 years 9 months 7 days
Options, Exercisable, Weighted Average Remaining Contractual Life	2 years 5 months 27 days
Options, Outstanding, Weighted Average Exercise Price	$ 5.64
Options, Vested and expected to vest, Weighted Average Exercise Price	$ 5.65
Options, Exercisable, Weighted Average Exercise Price	$ 5.72
Options, Outstanding, Aggregate Intrinsic Value	$ 65
Options, Vested and expected to vest, Aggregate Intrinsic Value	64
Options, Exercisable, Aggregate Intrinsic Value	$ 51