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GOODWILL AND INTANGIBLE ASSETS (Tables)
 9 Months Ended
Sep. 30, 2012
GOODWILL AND INTANGIBLE ASSETS [Abstract]  
Schedule of Goodwill [Table Text Block]
The changes in the carrying amounts of goodwill by segment from December 31, 2011 to September 30, 2012 were as follows:
 
 
 
Energy & Security Sonar Solutions segment
 
GridSense segment
 
USSI segment
 
Power Generation Monitoring segment
 
Cathodic Protection segment*
 
Total
Balance as of December 31, 2011
 
$
527

 
$
2,708

 
$
1,402

 
$
—

 
$
—

 
$
4,637

Goodwill recorded in the acquisition of OmniMetrix (see Note 3)
 
—

 
—

 
—

 
1,517

 
413

 
1,930

Translation adjustment
 
(12
)
 
67

 
—

 
—

 
—

 
55

Balance as of September 30, 2012
 
$
515

 
$
2,775

 
$
1,402

 
$
1,517

 
$
413

 
$
6,622
Schedule of Finite-Lived Intangible Assets by Major Class [Table Text Block]
The changes in the carrying amounts of and accumulated amortization of intangible assets from December 31, 2011 to September 30, 2012 were as follows:

 
 
Energy &
Security Sonar
Solutions
segment
 
GridSense segment
 
USSI segment
 
Power Generation Monitoring segment
 
Cathodic Protection segment**
 
 
 
 
Cost
 
A.A.*
 
Cost
 
A.A.*
 
Cost
 
A.A.*
 
Cost
 
A.A.*
 
Cost
 
A.A.*
 
Total
Balance as of December 31, 2011
 
$
519

 
$
(274
)
 
$
2,748

 
$
(543
)
 
$
2,565

 
$
(235
)
 
$
—

 
$
—

 
$
—

 
$
—

 
$
4,780

Acquisition of license
 
—

 
—

 
—

 
—

 
150

 
—

 
—

 
—

 
—

 
—

 
150

Intangibles recorded in the acquisition of OmniMetrix (see Note 3)
 
—

 
—

 
—

 
—

 
—

 
—

 
4,385

 
—

 
1,196

 
—

 
5,581

Amortization
 
—

 
(61
)
 
—

 
(243
)
 
—

 
(107
)
 
—

 
(221
)
 
—

 
(84
)
 
(716
)
Cumulative translation adjustment
 
(11
)
 
7

 
41

 
(9
)
 
—

 
—

 
—

 
—

 
—

 
—

 
28

Balance as of September 30, 2012
 
$
508

 
$
(328
)
 
$
2,789

 
$
(795
)
 
$
2,715

 
$
(342
)
 
$
4,385

 
$
(221
)
 
$
1,196

 
$
(84
)
 
$
9,823

Weighted average estimated useful lives in years
 
6
 
10
 
20
 
13
 
9
 
 
Composition of finite lived intangibles by class [Table Text Block]
The composition of intangibles in each of the Company's segments are as follows:

Segment
 
Type of Intangible
Energy & Security Sonar Solutions
 
Naval technologies
GridSense
 
Software and customer relationships
USSI
 
Sensor technologies and license
Power Generation Monitoring
 
Technologies, customer relationships and non-compete agreements
Cathodic Protection*
 
Technologies and customer relationships
* The Cathodic Protection segment is included in "Other" in Segment Reporting (see Note 11).