Stock-Based Compensation - Schedule of Vested Stock Option or Stock Option Expected to Vest (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2014
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Options Vested/Expected to Vest, Shares	1,131
Options Exercisable, Shares	862
Options Vested/Expected to Vest, Weighted-Average Exercise Price Per Share	$ 5.82
Options Exercisable, Weighted-Average Exercise Price Per Share	$ 4.89
Options Vested/Expected to Vest, Weighted-Average Remaining Contractual Term	8 years 1 month 17 days
Options Exercisable, Weighted-Average Remaining Contractual Term	7 years 10 months 21 days
Options Vested/Expected to Vest, Aggregated Intrinsic Value	$ 5,820
Options Exercisable, Aggregated Intrinsic Value	$ 4,885