Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Revenues	$ 54,195	$ 57,540	$ 46,816
Cost of revenues	31,441	30,920	27,696
Gross margin	22,754	26,620	19,120
Operating expenses:
Research, development and engineering	7,365	6,758	7,634
Selling, general and administrative	19,705	19,806	18,958
Restructuring charges			785
Legal settlement	260	159
Amortization of other intangible assets	244	244	411
Impairment of intangible assets and goodwill			1,708
Total operating expenses	27,574	26,967	29,496
Operating loss	(4,820)	(347)	(10,376)
Foreign currency exchange gain (loss)	(463)	350	(3)
Interest income	1	59	34
Interest expense	(47)	(54)	(71)
Other income		2	71
Income (loss) before income taxes	(5,329)	10	(10,345)
Provision for (benefit from) income taxes	(320)	349	(320)
Net loss	(5,009)	(339)	(10,025)
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	$ (5,009)	$ (781)	$ (10,348)
Net loss per share attributable to common stockholders:
Basic	$ (0.38)	$ (0.07)	$ (0.99)
Diluted	$ (0.38)	$ (0.07)	$ (0.99)
Number of shares used in computing net loss per share attributable to common stockholders:
Basic	13,205	11,718	10,437
Diluted	13,205	11,718	10,437
Comprehensive loss, net of taxes
Net loss	$ (5,009)	$ (339)	$ (10,025)
Foreign currency translation adjustment	(371)	(115)	321
Total comprehensive loss	$ (5,380)	$ (454)	$ (9,704)