Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Income Statement [Abstract]
Revenues	$ 57,540	$ 46,816	$ 66,219
Cost of revenues	30,920	27,696	38,219
Gross margin	26,620	19,120	28,000
Operating expenses:
Research, development and engineering	6,758	7,634	8,714
Selling, general and administrative	19,806	18,958	20,701
Restructuring charges		785	1,256
Legal settlement	159
Amortization of other intangible assets	244	411	466
Impairment of intangible assets and goodwill		1,708
Total operating expenses	26,967	29,496	31,137
Operating loss	(347)	(10,376)	(3,137)
Foreign currency exchange gain (loss)	350	(3)	(732)
Interest income	59	34	20
Interest expense	(54)	(71)	(270)
Other income	2	71
Income (loss) before income taxes	10	(10,345)	(4,119)
Provision for (benefit from) income taxes	349	(320)	(396)
Net loss	(339)	(10,025)	(3,723)
Effects of redeemable convertible preferred stock:
Accretion of preferred stock to redemption value	(239)	(73)
Dividends allocated to preferred stockholders	(203)	(250)
Net loss attributable to common stockholders	(781)	(10,348)	(3,723)
Net loss per share attributable to common stockholders:
Basic	$ (0.07)	$ (0.99)	$ (0.40)
Diluted	$ (0.07)	$ (0.99)	$ (0.40)
Number of shares used in computing net loss per share attributable to common stockholders:
Basic	11,718	10,437	9,386
Diluted	11,718	10,437	9,386
Comprehensive loss, net of taxes
Net loss	(339)	(10,025)	(3,723)
Foreign currency translation adjustment	(115)	321	(824)
Total comprehensive loss	$ (454)	$ (9,704)	$ (4,547)