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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Changes in Carrying Amounts of Goodwill by Segment | The changes in the carrying amounts of goodwill by segment from December 31, 2013 to December 31, 2015 were as follows:
|  | Energy & Security Sonar Solutions segment |  |  | Smart Grid Distribution Automation segment |  |  | Total |
Balance at December 31, 2013 |  | $ | 581 |  |  | $ | 2,446 |  |  | $ | 3,027 |
Impairment |  |  | — |  |  |  | (1,773 | ) |  |  | (1,773 | )
Translation adjustment |  |  | (63 | ) |  |  | (160 | ) |  |  | (223 | )
Balance at December 31, 2014 |  |  | 518 |  |  |  | 513 |  |  |  | 1,031 |
Impairment |  |  | — |  |  |  | (513 | ) |  |  | (513 | )
Translation adjustment |  |  | (2 | ) |  |  | — |  |  |  | (2 | )
Balance at December 31, 2015 |  | $ | 516 |  |  | $ | — |  |  | $ | 516 |
Schedule of Changes in Carrying Amounts and Accumulated Amortization of Intangible Assets | The changes in the carrying amounts of intangible assets and associated accumulated amortization from December 31, 2013 to December 31, 2015 were as follows:
|  | Energy & Security Sonar Solutions segment |  |  | Smart Grid Distribution Automation segment |  |  |  |
|  | Cost |  |  | A.A.* |  |  | Cost |  |  | A.A.* |  |  | Total |
Balance as of December 31, 2013 |  | $ | 572 |  |  | $ | (482 | ) |  | $ | 2,271 |  |  | $ | (811 | ) |  | $ | 1,550 |
Amortization |  |  | — |  |  |  | (82 | ) |  |  | — |  |  |  | (200 | ) |  |  | (282 | )
Cumulative translation adjustment |  |  | (61 | ) |  |  | 53 |  |  |  | (96 | ) |  |  | 47 |  |  |  | (57 | )
Balance as of December 31, 2014 |  |  | 511 |  |  |  | (511 | ) |  |  | 2,175 |  |  |  | (964 | ) |  |  | 1,211 |
Amortization |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (123 | ) |  |  | (123 | )
Impairment |  |  | — |  |  |  | — |  |  |  | (1,049 | ) |  |  | — |  |  |  | (1,049 | )
Cumulative translation adjustment |  |  | — |  |  |  | — |  |  |  | (116 | ) |  |  | 77 |  |  |  | (39 | )
Balance as of December 31, 2015 |  | $ | 511 |  |  | $ | (511 | ) |  | $ | 1,010 |  |  | $ | (1,010 | ) |  | $ | — |
* Accumulated amortization

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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