Stock-Based Compensation - Summary of Changes in Unvested Restricted Stock Units (Parenthetical) (Detail)	3 Months Ended
Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of restricted unit vest and convert into common stock over next fiscal year	10,000
Number of restricted unit would vest over vesting period	50,000
Vesting period of grant date	1 year
Restricted stock units vested description after specified period	25
Restricted stock unit vest description	50,000 of these restricted stock units will vest and convert into shares of our common stock over a four year period
Restricted Stock One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units vest and convert into shares of our common stock	4 years

10,000

1 year

50,000 of these restricted stock units will vest and convert into shares of our common stock over a four year period