Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014	Mar. 30, 2013
Income Statement [Abstract]
Revenues	$ 15,121	$ 10,943	$ 43,280	$ 33,121
Cost of revenues	8,207	6,267	23,265	20,303
Gross margin	6,914	4,676	20,015	12,818
Operating expenses:
Research, development and engineering	1,774	1,839	5,180	5,878
Selling, general and administrative	4,813	4,513	14,479	14,300
Restructuring charges		114		509
Amortization of other intangible assets	61	89	183	322
Impairment of intangible assets and goodwill				1,708
Total operating expenses	6,648	6,555	19,842	22,717
Operating income (loss)	266	(1,879)	173	(9,899)
Interest income (expense), net	12	8	7	(41)
Foreign currency exchange gain	140	213	201	109
Income (loss) before income taxes	418	(1,658)	381	(9,831)
Provision for income taxes	153	96	310	198
Net income (loss)	265	(1,754)	71	(10,029)
Effects of redeemable convertible preferred stock:
Accretion of preferred stock to redemption value	(234)	(24)	(282)	(49)
Dividends allocated to preferred stockholders	(43)	(80)	(203)	(171)
Net loss attributable to common stockholders	(12)	(1,858)	(414)	(10,249)
Net loss per share attributable to common stockholders:
Basic	$ 0.00	$ (0.17)	$ (0.04)	$ (0.97)
Diluted	$ 0.00	$ (0.17)	$ (0.04)	$ (0.97)
Number of shares used in computing net loss per share attributable to common stockholders
Basic	11,955	10,704	11,278	10,542
Diluted	11,955	10,704	11,278	10,542
Comprehensive income (loss):
Net income (loss)	265	(1,754)	71	(10,029)
Foreign currency translation adjustment	(139)	(299)	119	272
Total comprehensive income (loss)	$ 126	$ (2,053)	$ 190	$ (9,757)