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NATURE OF OPERATIONS Revenue Recognition (Details)	12 Months Ended
	Dec. 31, 2012
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Period (in months) of service, advance payment received	12

X

- Definition

Period (in months) of service performed by the Company for which it receives an advance payment from the client

+ References

No definition available.

+ Details

Name:	acfn_PeriodInMonthsOfServiceAdvancePaymentReceived
Namespace Prefix:	acfn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

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