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Income Taxes - Summary of Tax Loss Carryforwards (Details) (Parenthetical) $ in Thousands | Dec. 31, 2015 USD ($)
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Income Tax Disclosure [Abstract] |
Operating loss carry forwards utilization limit per year | $ 73

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- Definition Operating loss carry forwards utilization limit per year. + References No definition available. + Details
Name: | ACFN_OperatingLossCarryForwardsUtilizationLimitPerYear
Namespace Prefix: | ACFN_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration