Segment Information - Schedule of Segment Results (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 27, 2014	Sep. 28, 2013
Revenues:
Revenues	$ 14,402	$ 13,571
Segment operating income:
Unallocated research, development and engineering and general and administrative expenses	(1,973)	(2,715)
Amortization of intangible assets	(61)	(61)
Operating income (loss)	84	(242)
Net interest expense		(5)
Foreign currency exchange gain (loss)	78	(96)
Income (loss) before income taxes	162	(343)
Operating Segments [Member]
Segment operating income:
Operating income (loss)	2,118	2,534
Robotics [Member] | Operating Segments [Member]
Revenues:
Revenues	11,283	10,357
Segment operating income:
Operating income (loss)	905	1,176
Services and Support [Member] | Operating Segments [Member]
Revenues:
Revenues	3,119	3,214
Segment operating income:
Operating income (loss)	$ 1,213	$ 1,358