Stock-Based Compensation - Schedule of Equity Incentive Plans Outstanding and Exercisable Options by Exercise Price Range (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2014
$2.80 - $3.27 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices Per Share, Lower Range Limit	$ 2.80
Range of Exercise Prices Per Share, Upper Range Limit	$ 3.27
Options Outstanding	225
Options Outstanding, Weighted Average Remaining Contractual Life	7 years 4 months 13 days
Options Outstanding, Weighted Average Exercise Price	$ 3.14
Options Exercisable	199
Options Exercisable, Weighted Average Exercise Price	$ 3.12
$3.51 - $3.51 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices Per Share, Lower Range Limit	$ 3.51
Range of Exercise Prices Per Share, Upper Range Limit	$ 3.51
Options Outstanding	40
Options Outstanding, Weighted Average Remaining Contractual Life	7 years 11 months 1 day
Options Outstanding, Weighted Average Exercise Price	$ 3.51
Options Exercisable	12
Options Exercisable, Weighted Average Exercise Price	$ 3.51
$3.58 - $3.58 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices Per Share, Lower Range Limit	$ 3.58
Range of Exercise Prices Per Share, Upper Range Limit	$ 3.58
Options Outstanding	175
Options Outstanding, Weighted Average Remaining Contractual Life	9 years 1 month 17 days
Options Outstanding, Weighted Average Exercise Price	$ 3.58
Options Exercisable	175
Options Exercisable, Weighted Average Exercise Price	$ 3.58
$3.73 - $4.31 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices Per Share, Lower Range Limit	$ 3.73
Range of Exercise Prices Per Share, Upper Range Limit	$ 4.31
Options Outstanding	61
Options Outstanding, Weighted Average Remaining Contractual Life	6 years 10 months 21 days
Options Outstanding, Weighted Average Exercise Price	$ 3.86
Options Exercisable	42
Options Exercisable, Weighted Average Exercise Price	$ 3.88
$4.60 - $4.60 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices Per Share, Lower Range Limit	$ 4.60
Range of Exercise Prices Per Share, Upper Range Limit	$ 4.60
Options Outstanding	189
Options Outstanding, Weighted Average Remaining Contractual Life	8 years 6 months 22 days
Options Outstanding, Weighted Average Exercise Price	$ 4.60
Options Exercisable	139
Options Exercisable, Weighted Average Exercise Price	$ 4.60
$4.86 - $6.76 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices Per Share, Lower Range Limit	$ 4.86
Range of Exercise Prices Per Share, Upper Range Limit	$ 6.76
Options Outstanding	139
Options Outstanding, Weighted Average Remaining Contractual Life	7 years 7 months 21 days
Options Outstanding, Weighted Average Exercise Price	$ 6.08
Options Exercisable	122
Options Exercisable, Weighted Average Exercise Price	$ 6.02
$6.90 - $6.90 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices Per Share, Lower Range Limit	$ 6.90
Range of Exercise Prices Per Share, Upper Range Limit	$ 6.90
Options Outstanding	152
Options Outstanding, Weighted Average Remaining Contractual Life	8 years 8 months 9 days
Options Outstanding, Weighted Average Exercise Price	$ 6.90
Options Exercisable	119
Options Exercisable, Weighted Average Exercise Price	$ 6.90
$8.00 - $15.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices Per Share, Lower Range Limit	$ 8.00
Range of Exercise Prices Per Share, Upper Range Limit	$ 15.00
Options Outstanding	117
Options Outstanding, Weighted Average Remaining Contractual Life	7 years 5 months 1 day
Options Outstanding, Weighted Average Exercise Price	$ 11.16
Options Exercisable	46
Options Exercisable, Weighted Average Exercise Price	$ 9.43
$15.06 - $15.06 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices Per Share, Lower Range Limit	$ 15.06
Range of Exercise Prices Per Share, Upper Range Limit	$ 15.06
Options Outstanding	5
Options Outstanding, Weighted Average Remaining Contractual Life	9 years 6 months 15 days
Options Outstanding, Weighted Average Exercise Price	$ 15.06
$17.36 - $17.36 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices Per Share, Lower Range Limit	$ 17.36
Range of Exercise Prices Per Share, Upper Range Limit	$ 17.36
Options Outstanding	55
Options Outstanding, Weighted Average Remaining Contractual Life	9 years 6 months 15 days
Options Outstanding, Weighted Average Exercise Price	$ 17.36
Options Exercisable	8
Options Exercisable, Weighted Average Exercise Price	$ 17.36
$2.80 - $17.36 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices Per Share, Lower Range Limit	$ 2.80
Range of Exercise Prices Per Share, Upper Range Limit	$ 17.36
Options Outstanding	1,158
Options Outstanding, Weighted Average Remaining Contractual Life	8 years 1 month 24 days
Options Outstanding, Weighted Average Exercise Price	$ 5.87
Options Exercisable	862
Options Exercisable, Weighted Average Exercise Price	$ 4.89