Marketable Securities - Schedule of Amortized Cost, Unrealized Loss and Fair Value of Available-for-Sale Marketable Securities (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Schedule of Available-for-sale Securities [Line Items]
Marketable securities, Amortized Cost	$ 2,945	$ 3,375
Marketable securities, Unrealized Loss	(1)	(1)
Marketable securities, Fair Value	2,944	3,374
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Marketable securities, Amortized Cost	2,446	2,376
Marketable securities, Unrealized Loss	(1)	(1)
Marketable securities, Fair Value	2,445	2,375
Commercial Paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Marketable securities, Amortized Cost	499	999
Marketable securities, Unrealized Loss
Marketable securities, Fair Value	$ 499	$ 999