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Segment Reporting - Schedule of Reconciliation of Segment Data to Consolidated Statement of Operations (Details) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Segment Reporting [Abstract]
Stock compensation expense	$ 168	$ 240	$ 376	$ 550

X

- Definition

Share Based Compensation Included Unallocated Cost of Corporate Headquaters.

+ References

No definition available.

+ Details

Name:	ACFN_ShareBasedCompensationIncludedUnallocatedCostOfCorporateHeadquaters
Namespace Prefix:	ACFN_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_SegmentReportingAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration