Stock-Based Compensation - Schedule of Share-based Compensation, Equity Incentive Plans Activity (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Available for Grant [Roll Forward]
Available for Grant, Beginning Balance	1,111,000	888,000	569,000
Available for Grant, Shares added			750,000
Available for Grant, Granted	(991,000)	(758,000)	(285,000)
Available for Grant, Canceled	202,000	905,000	110,000
Available for Grant, Expired	(28,000)	(72,000)	(292,000)
Available for Grant, Forfeited due to cancellation or for taxes	73,000	148,000	36,000
Available for Grant, Ending Balance	367,000	1,111,000	888,000
Options Outstanding [Roll Forward]
Options Outstanding, Beginning Balance	844,000	1,473,000	1,332,000
Options Outstanding, Granted	871,000	414,000	281,000
Options Outstanding, Canceled	(202,000)	(905,000)	(110,000)
Options Outstanding, Exercised	(355,000)	(138,000)	(30,000)
Options Outstanding, Expired
Options Outstanding, Ending Balance	1,158,000	844,000	1,473,000
Options, Aggregate Price [Roll Forward]
Options, Aggregate Price, Beginning Balance	$ 3,709	$ 7,530	$ 7,589
Options, Aggregate Price, Granted	5,694	1,500	1,048
Options, Aggregate Price, Canceled	(1,033)	(4,913)	(1,018)
Options, Aggregate Price, Exercised	(1,563)	(408)	(89)
Options, Aggregate Price, Ending Balance	$ 6,807	$ 3,709	$ 7,530
Options, Weighted Average Exercise Price Per Share [Roll Forward]
Options, Weighted Average Exercise Price Per Share, Beginning Balance	$ 4.39	$ 5.11	$ 5.70
Options, Weighted Average Exercise Price Per Share, Granted	$ 6.54	$ 3.62	$ 3.73
Options, Weighted Average Exercise Price Per Share, Canceled	$ 5.11	$ 5.43	$ 9.25
Options, Weighted Average Exercise Price Per Share, Exercised	$ 4.41	$ 2.95	$ 2.99
Options, Weighted Average Exercise Price Per Share, Expired
Options, Weighted Average Exercise Price Per Share, Ending Balance	$ 5.87	$ 4.39	$ 5.11
Restricted Stock [Member]
Restricted Stock Outstanding [Roll Forward]
Restricted Stock Outstanding, Beginning Balance	131,000		87,000
Restricted Stock Outstanding, Granted	120,000	344,000	5,000
Restricted Stock Outstanding, Canceled
Restricted Stock Awards Vested	(66,000)	(65,000)	(56,000)
Available for Grant, Forfeited due to cancellation or for taxes	(73,000)	(148,000)	(36,000)
Balance of awards issued, Shares	112,000	131,000