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Segment Reporting and Geographic Information - Schedule of Long Lived Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Long-lived assets | $ 977 | $ 1,080
United States [Member] |  |
Long-lived assets | 322 | 442
Israel [Member] |  |
Long-lived assets | $ 655 | $ 638

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_StatementGeographicalAxis=ACFN_IsraelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |