Segment Information - Segment Results (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 29, 2012 Operating_segment	Dec. 31, 2011
Segment Reporting Information [Line Items]
Number of operating segments			2
Revenue [Abstract]
Revenue	$ 10,808	$ 15,152	$ 22,178	$ 31,771
Segment operating income (loss) [Abstract]
Operating loss	(5,322)	(1,017)	(8,020)	(1,452)
Unallocated research, development and engineering and selling, general and administrative expenses	(2,458)	(3,994)	(5,282)	(6,907)
Restructuring charges, net	(392)	(423)	(395)	(423)
Amortization of other intangible assets	(116)	(116)	(233)	(233)
Goodwill and Intangible Asset Impairment	(1,708)	0	(1,708)	0
Net interest expense	(40)	(58)	(49)	(113)
Foreign currency exchange loss	262	(121)	(104)	(221)
Loss before income taxes	(5,100)	(1,196)	(8,173)	(1,786)
Operating Segments [Member]
Segment operating income (loss) [Abstract]
Operating loss	(648)	3,516	(402)	6,111
Robotics [Member]
Revenue [Abstract]
Revenue	8,199	12,874	17,051	26,098
Segment operating income (loss) [Abstract]
Operating loss	(1,190)	3,271	(1,834)	4,993
Services and Support [Member]
Revenue [Abstract]
Revenue	2,609	2,278	5,127	5,673
Segment operating income (loss) [Abstract]
Operating loss	$ 542	$ 245	$ 1,432	$ 1,118