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Segment Reporting and Geographic Information - Reconciliation of Segment Data to Consolidated Statement Balance Sheet (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
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Segment Reporting [Abstract] |  |  |
Total assets for reportable segments |  | $ 18,575 | $ 18,710
Total assets of other operational segment |  | $ 739 | 865
Assets of discontinued operations |  |  | 143
Unallocated assets of DSIT headquarters |  | $ 4,367 | 4,580
Unallocated assets of OmniMetrix headquarters |  | 397 | 507
Assets of corporate headquarters | [1] | 252 | 4,738
Total consolidated assets |  | $ 24,330 | $ 29,543
[1] | Includes $4,672 and $84 of unrestricted cash at December 31, 2014 and 2015, respectively.

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- Definition Assets of corporate headquarters. + References No definition available. + Details
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- Definition Assets of discontinued operations. + References No definition available. + Details
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- Definition Assets Reportable Segments. + References No definition available. + Details
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- Definition Other Assets Operational Segment. + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Unallocated assets of DSIT headquarters. + References No definition available. + Details
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- Definition Unallocated assets of OmniMetrix headquarters. + References No definition available. + Details
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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 + Details
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- References No definition available. + Details
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