NOTE 7 - SEGMENT INFORMATION (Details) - Schedule of Segment Information (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Segment Reporting Information [Line Items]
Revenue	$ 27,170	$ 50,648	$ 54,068	$ 100,411
Gross profit	5,790	5,512	11,874	11,311
SG&A	4,246	6,367	8,365	12,579
Operating income (loss)	1,544	(855)	3,509	(1,268)
Other income (expense)			123	(89)
Interest expense, net	(11)	(422)	(43)	(1,036)
Tax expense (benefit)	(106)	(99)	(181)	(192)
Discontinued operations - net of taxes	0	0	0	2,935
Net income			3,408	350
EPCM Operations Sold Segment [Member]
Segment Reporting Information [Line Items]
Revenue			0	59,560
Gross profit			0	5,346
SG&A			0	2,104
Operating income (loss)			0	3,242
EPCM Segment [Member]
Segment Reporting Information [Line Items]
Revenue			25,392	20,838
Gross profit			4,678	2,414
SG&A			2,014	1,885
Operating income (loss)			2,664	529
Automation Segment [Member]
Segment Reporting Information [Line Items]
Revenue			28,676	20,013
Gross profit			7,196	3,551
SG&A			1,415	1,780
Operating income (loss)			5,781	1,771
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Revenue			0	0
Gross profit			0	0
SG&A			4,936	6,810
Operating income (loss)			$ (4,936)	$ (6,810)