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GOODWILL AND INTANGIBLE ASSETS (Details) (USD $)	6 Months Ended
	Jun. 30, 2013
Goodwill [Roll Forward]
Goodwill	$ 6,630,000
Goodwill, Translation Adjustments	(223,000)
Goodwill	6,407,000
Energy & Security Sonar Solutions Segment [Member]
Goodwill [Roll Forward]
Goodwill	541,000
Goodwill, Translation Adjustments	16,000
Goodwill	557,000
GridSense segment [Member]
Goodwill [Roll Forward]
Goodwill	2,757,000
Goodwill, Translation Adjustments	(239,000)
Goodwill	2,518,000
USSI segment [Member]
Goodwill [Roll Forward]
Goodwill	1,402,000
Goodwill, Translation Adjustments	0
Goodwill	1,402,000
Power Generation Monitoring segment [Member]
Goodwill [Roll Forward]
Goodwill	1,517,000
Goodwill, Translation Adjustments	0
Goodwill	1,517,000
All Other Segments [Member]
Goodwill [Roll Forward]
Goodwill	413,000	[1]
Goodwill, Translation Adjustments	0	[1]
Goodwill	$ 413,000	[1]
[1] * Results for the Cathodic Protection segment are included in "Other" in Segment Reporting (see Note 10).

X

- Definition

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267



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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The increase (decrease) to the recorded value of goodwill for foreign currency translation adjustments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Number 142

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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