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Equity - Summary of Warrant Activity (Details)	3 Months Ended
	Mar. 31, 2016 $ / shares shares
Equity [Abstract]
Number of shares warrants, Outstanding at beginning of year | shares	2,619,423
Number of shares warrants, Granted | shares	35,000
Number of shares warrants, Exercised | shares
Number of shares warrants, Forfeited or expired | shares
Number of shares warrants, Outstanding at end of year | shares	2,654,423
Weighted Average Exercise Price, Outstanding at beginning of year | $ / shares	$ 1.48
Weighted Average Exercise Price, Granted | $ / shares	$ 0.13
Weighted Average Exercise Price, Exercised | $ / shares
Weighted Average Exercise Price, Forfeited or expired | $ / shares
Weighted Average Exercise Price, Outstanding at end of year | $ / shares	$ 1.46
Weighted Average Remaining Contractual Life	3 years 10 months 24 days

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_
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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

Name:	ACFN_ShareBasedCompensationArrangementByShareBasedPaymetAwardNonOptionForfeitedOrExpiredInPeriodWeightedAverageExercisePrice
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X

- Definition

Share Based Compensation Arrangement By Share Based Payment Award Non Option Grants In Period Weighted Average Exercise Price.

+ References

No definition available.

+ Details

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X

- Definition

Weighted Average Exercise Price, Outstanding at beginning of year.

+ References

No definition available.

+ Details

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X

- References

No definition available.

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X

- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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 (e)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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

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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

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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

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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

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