NOTE 9 - SEGMENT INFORMATION (Details) - Schedule of Segment Information (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Dec. 29, 2012
Segment Reporting Information [Line Items]
Revenue	$ 43,298	$ 57,482	$ 143,709	$ 175,805
Gross profit	5,204	3,270	16,515	13,350
SG&A	5,203	6,162	17,782	19,301
Goodwill impairment	0	14,568	0	14,568	16,900
Operating income (loss)	1	(17,460)	(1,267)	(20,519)
Other income (expense)			405	(100)
Interest expense, net	(510)	(643)	(1,546)	(1,320)
Tax expense (benefit)	(35)	(412)	(227)	(5,606)
Discontinued operations - net of taxes			2,935	(4,779)
Net income (loss)	(50)	(22,330)	300	(32,324)	(33,600)
Engineering and construction [Member]
Segment Reporting Information [Line Items]
Revenue			112,299	131,161
Gross profit			10,782	9,874
SG&A			5,783	6,684
Goodwill impairment				14,568
Operating income (loss)			4,999	(11,378)
Automation [Member]
Segment Reporting Information [Line Items]
Revenue			31,410	44,644
Gross profit			5,733	5,578
SG&A			2,475	3,186
Goodwill impairment				0
Operating income (loss)			3,258	2,292
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Revenue			0	0
Gross profit			0	(2,102)
SG&A			9,524	9,431
Goodwill impairment				0
Operating income (loss)			$ (9,524)	$ (11,533)