Segment Information - Schedule of Segment Results (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Revenues:
Revenues	$ 13,571	$ 11,370
Segment operating income (loss):
Unallocated research, development and engineering and general and administrative expenses	(2,715)	(2,824)
Restructuring charges		(3)
Amortization of intangible assets	(61)	(117)
Operating income (loss)	(242)	(2,698)
Net interest expense	(5)	(9)
Foreign currency exchange loss	(96)	(366)
Loss before income taxes	(343)	(3,073)
Operating Segments [Member]
Segment operating income (loss):
Operating income (loss)	2,534	246
Robotics [Member] | Operating Segments [Member]
Revenues:
Revenues	10,357	8,852
Segment operating income (loss):
Operating income (loss)	1,176	(644)
Services and Support [Member] | Operating Segments [Member]
Revenues:
Revenues	3,214	2,518
Segment operating income (loss):
Operating income (loss)	$ 1,358	$ 890