Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Net revenues	$ 54,061	$ 50,726
Cost of revenues	30,062	29,164
Gross margin	23,999	21,562
Operating expenses:
Selling, general and administrative	12,290	14,321
Research and development	7,951	9,312
Amortization of intangible assets	1,762	1,985
Restructuring and other charges	1,268	(15)
Total operating expenses	23,271	25,603
Income (loss) from operations	728	(4,041)
Interest income	3	1
Interest expense	(8)	(15)
Other income, net	(6)	432
Income (loss) from continuing operations before income taxes	717	(3,623)
Tax benefit	0	(1,319)
Income (loss) from continuing operations	717	(2,304)
(Loss) income from discontinued operations, net of income taxes	(218)	48
Net income (loss)	499	(2,256)
Basic net loss per share: (in dollars per share)	$ 0.02	$ (0.07)
Earnings Per Share, Basic	$ 0.02	$ (0.07)
Diluted net loss per share: (in dollars per share)	$ 0.02	$ (0.07)
Earnings Per Share, Diluted	$ 0.02	$ (0.07)
Weighted-average shares outstanding:
Basic (in shares)	31,635	30,653
Diluted (in shares)	32,481	30,653
Comprehensive income (loss):
Net income (loss)	499	(2,256)
Foreign currency translation adjustments	(97)	59
Total comprehensive income (loss)	$ 402	$ (2,197)