NOTE 7 - SEGMENT INFORMATION (Detail) - Schedule of Segment Information (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenue	$ 76,944	$ 73,102	$ 152,384	$ 142,191
Gross profit	5,641	7,993	13,141	13,285
SG&A	7,821	6,759	15,073	15,079
Operating income (loss)	(2,180)	1,234	(1,932)	(1,794)
Other income	(4)	(17)	(4)	(59)
Interest expense, net	(375)	(191)	(677)	(408)
Tax expense (benefit)	(5,195)	(454)	(5,195)	598
Discontinued operations - net of taxes	(2,073)	(430)	(2,186)	(168)
Net (income) loss	(9,827)	142	(9,994)	(1,831)
Revenue before eliminations		73,138		142,419
Inter-segment eliminations		(36)		(228)
Engineering and construction [Member]
Revenue	44,816	43,699	90,383	81,544
Gross profit	2,879	4,399	7,236	7,581
SG&A	2,617	1,447	4,629	3,693
Operating income (loss)	262	2,952	2,607	3,888
Other income	0	0	0	0
Interest expense, net	0	0	0	0
Tax expense (benefit)	0	0	0	0
Discontinued operations - net of taxes	0	0	0	0
Net (income) loss	0	0	0	0
Revenue before eliminations		43,699		81,545
Inter-segment eliminations		0		(1)
Automation [Member]
Revenue	14,335	11,383	27,941	20,935
Gross profit	1,462	2,385	2,843	2,836
SG&A	1,010	996	2,090	1,934
Operating income (loss)	452	1,389	753	902
Other income	0	0	0	0
Interest expense, net	0	0	0	0
Tax expense (benefit)	0	0	0	0
Discontinued operations - net of taxes	0	0	0	0
Net (income) loss	0	0	0	0
Revenue before eliminations		11,419		21,162
Inter-segment eliminations		(36)		(227)
Field Solutions [Member]
Revenue	17,793	18,020	34,060	39,712
Gross profit	1,300	1,209	3,062	2,868
SG&A	905	965	1,934	3,046
Operating income (loss)	395	244	1,128	(178)
Other income	0	0	0	0
Interest expense, net	0	0	0	0
Tax expense (benefit)	0	0	0	0
Discontinued operations - net of taxes	0	0	0	0
Net (income) loss	0	0	0	0
Revenue before eliminations		18,020		39,712
Inter-segment eliminations		0		0
Corporate [Member]
Revenue	0	0	0	0
Gross profit	0	0	0	0
SG&A	3,289	3,351	6,420	6,406
Operating income (loss)	(3,289)	(3,351)	(6,420)	(6,406)
Other income	0	0	0	0
Interest expense, net	0	0	0	0
Tax expense (benefit)	0	0	0	0
Discontinued operations - net of taxes	0	0	0	0
Net (income) loss	0	0	0	0
Revenue before eliminations		0		0
Inter-segment eliminations		$ 0		$ 0