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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Warranty Provision (Details)	12 Months Ended
	Dec. 31, 2013
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Approximate term of the product/project warranty	1 year
Period (in years) of warranty granted to company's products/projects, maximum	2 years

X

- Definition

Approximate term of the product/project warranty

+ References

No definition available.

+ Details

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Namespace Prefix:	acfn_
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X

- Definition

Period (in years) of warranty granted to company's products/projects, maximum

+ References

No definition available.

+ Details

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Namespace Prefix:	acfn_
Data Type:	xbrli:durationItemType
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Period Type:	duration

X

- Details

Name:	acfn_SummaryOfSignificantAccountingPoliciesAbstract
Namespace Prefix:	acfn_
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