NOTE 6 - SEGMENT INFORMATION (Detail) - Schedule of Segment Information (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Dec. 29, 2012
Total assets by segment	$ 70,797	$ 78,687
Engineering and construction [Member]
Total assets by segment	38,668	35,251
Automation [Member]
Total assets by segment	16,821	25,445
Corporate [Member]
Total assets by segment	$ 15,308	$ 17,991	[1]

[1] Includes less than $0.1 million of assets held for sale from discontinued operations at December 29, 2012.