NOTE 9 - SEGMENT INFORMATION (Details) - Schedule of Operating Profit (Loss) by Segment Information (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 26,927	$ 43,298	$ 80,994	$ 143,709
Gross profit	6,083	5,204	17,956	16,515
SG&A	4,000	5,203	12,365	17,782
Operating income (loss)	2,083	1	5,591	(1,267)
Other income (expense)			118	405
Interest expense, net	(37)	(510)	(79)	(1,546)
Tax expense (benefit)	(231)	(35)	(412)	(227)
Discontinued operations - net of taxes	0	0	0	2,935
Net income			5,218	300
EPCM Operations Sold Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue			0	79,839
Gross profit			0	6,817
SG&A			0	2,826
Operating income (loss)			0	3,991
EPCM Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue			37,742	32,526
Gross profit			6,268	3,964
SG&A			2,883	2,532
Operating income (loss)			3,385	1,432
Automation Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue			43,252	31,344
Gross profit			11,688	5,734
SG&A			2,170	2,900
Operating income (loss)			9,518	2,834
Corporate Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue			0	0
Gross profit			0	0
SG&A			7,312	9,524
Operating income (loss)			$ (7,312)	$ (9,524)