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Equity - Summary of Warrant Activity (Details) (USD $)	3 Months Ended
	Mar. 31, 2015
Equity [Abstract]
Number of shares underlying warrants, Outstanding at beginning	2,642,423us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
Number of shares underlying warrants, Granted
Number of shares underlying warrants, Exercised
Number of shares underlying warrants, Forfeited Or Expired
Number of shares underlying warrants, Outstanding and exercisable at end	2,642,423ACFN_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityExercisable
Weighted Average Exercise Price, Outstanding at beginning	$ 1.50ACFN_ShareBasedCompensationArrangementByShareBasedPaymetAwardNonOptionOutstandingWeightedAverageNumberOfShare
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Forfeited Or Expired
Weighted Average Exercise Price, Outstanding and exercisable at end	$ 1.50ACFN_ShareBasedCompensationArrangementByShareBasedPaymetAwardNonOptionWeightedAverageExercisable
Weighted Average Remaining Contractual Life, Outstanding	4 years 10 months 24 days

X

- Definition

Share based compensation arrangement by share based payment award non option equity exercisable.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

X

- Definition

Sharebased Compensation Arrangement By Sharebased Payment Award Non Options Outstanding Weighted Average Remaining Contractual Term.

+ References

No definition available.

+ Details

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Namespace Prefix:	ACFN_
Data Type:	xbrli:durationItemType
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X

- Definition

Share based compensation arrangement by share based paymet award non option exercised in period weighted average exercise price.

+ References

No definition available.

+ Details

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Namespace Prefix:	ACFN_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share based compensation arrangement by share based paymet award non option forfeited or expired in period weighted average exercise price.

+ References

No definition available.

+ Details

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Namespace Prefix:	ACFN_
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Balance Type:	na
Period Type:	duration

X

- Definition

Share based compensation arrangement by share based paymet award non option outstanding weighted average number of share.

+ References

No definition available.

+ Details

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Namespace Prefix:	ACFN_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Share based compensation arrangement by share based paymet award non option weighted average exercisable.

+ References

No definition available.

+ Details

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Namespace Prefix:	ACFN_
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Balance Type:	na
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X

- Details

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Namespace Prefix:	us-gaap_
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X

- Definition

Number of non-option equity instruments exercised by participants.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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X

- Definition

Number of shares under non-option equity instrument agreements that were either cancelled or expired.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(3)-(4)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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X

- Definition

Net number of non-option equity instruments granted to participants.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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X

- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Balance Type:	na
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