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GOODWILL AND INTANGIBLE ASSETS Schedule of Intangibles (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible assets | $ 3,390 |  | $ 3,390 |  | $ 3,735
Impairment of Intangible Assets, Finite-lived | 0 | 5,615 | 0 | 6,731 |
Amortization |  |  | (326) | (733) |
Cumulative Translation Adjustment |  |  | (19) |  |
Energy & Security Sonar Solutions Segment [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Impairment of Intangible Assets, Finite-lived |  | 0 |  | 0 |
Finite-Lived Intangible Assets, Weighted-Average Useful Life |  |  | 6 years |  |
Energy & Security Sonar Solutions Segment [Member] | Gross cost intangibles [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible assets | 537 |  | 537 |  | 572
Amortization |  |  | 0 |  |
Cumulative Translation Adjustment |  |  | (35) |  |
Energy & Security Sonar Solutions Segment [Member] | Accumulated amortization intangibles [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible assets | (516) |  | (516) |  | (482)
Amortization |  |  | (61) |  |
Cumulative Translation Adjustment |  |  | 27 |  |
GridSense segment [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Impairment of Intangible Assets, Finite-lived |  | 0 |  | 0 |
Finite-Lived Intangible Assets, Weighted-Average Useful Life |  |  | 11 years 1 month 10 days |  |
GridSense segment [Member] | Gross cost intangibles [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible assets | 2,246 |  | 2,246 |  | 2,271
Amortization |  |  | 0 |  |
Cumulative Translation Adjustment |  |  | (25) |  |
GridSense segment [Member] | Accumulated amortization intangibles [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible assets | (949) |  | (949) |  | (811)
Amortization |  |  | (152) |  |
Cumulative Translation Adjustment |  |  | 14 |  |
USSI segment [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Impairment of Intangible Assets, Finite-lived |  | 0 |  | 0 |
Finite-Lived Intangible Assets, Weighted-Average Useful Life |  |  | 20 years |  |
USSI segment [Member] | Gross cost intangibles [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible assets | 2,715 |  | 2,715 |  | 2,715
Amortization |  |  | 0 |  |
Cumulative Translation Adjustment |  |  | 0 |  |
USSI segment [Member] | Accumulated amortization intangibles [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible assets | (643) |  | (643) |  | (530)
Amortization |  |  | (113) |  |
Cumulative Translation Adjustment |  |  | 0 |  |
Power Generation Monitoring segment [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Impairment of Intangible Assets, Finite-lived |  | 4,225 |  | 5,341 |
All Other Segments [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Impairment of Intangible Assets, Finite-lived |  | $ 1,390 |  | $ 1,390 |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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