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Income Taxes - Summary of Tax Loss Carryforwards (Details) (Parenthetical) $ in Thousands	Dec. 31, 2015 USD ($)
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