Operating Segment, Geographic Information and Significant Customers - Reconciles Net Income (loss), Most Directly Comparable GAAP Financial Measure to Adjusted EBITDA (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Segment Reporting [Abstract]
Income (loss) from continuing operations	$ 717	$ (2,304)
Interest expense, net	5	14
Tax benefit	0	(1,319)
Depreciation	1,700	1,974
Amortization of intangible assets	1,762	1,985
Restructuring and other charges	1,268	(15)
Stock-based compensation expense	2,551	2,988
Adjusted EBITDA	$ 8,003	$ 3,323