Additional commitment from the company's directors.

No definition available.

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Period Type:	instant

- Definition

Board fees received by company's shares.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Consulting and other fees to directors.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Interest due converted into common stock.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Interest expense with respect to 2016 director loans.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of borrowed amounts the company need to repay to each director.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of interest repaid.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Principal amount converted to common stock.

+ References

No definition available.

+ Details

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Namespace Prefix:	ACFN_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Short term debt from related party.

+ References

No definition available.

+ Details

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

- Definition

Retainer fees received by company's shares.

+ References

No definition available.

+ Details

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

- Definition

Secured commitments from company's board of directors.

+ References

No definition available.

+ Details

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

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586

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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

+ References

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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Data Type:	num:percentItemType
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Period Type:	instant

- Definition

Amount of interest income earned from interest-bearing assets owed to the entity by related party.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section 45
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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Details

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Related Party Balances and Transactions (Details Narrative) - USD ($) $ in Thousands				1 Months Ended		3 Months Ended	12 Months Ended
	Feb. 16, 2017	Apr. 29, 2016	Apr. 29, 2016	Mar. 31, 2016	Jan. 31, 2016	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Consulting and other fees to directors							$ 94	$ 101
Common stock issued							30,302,271	30,124,494
Interest expense with respect to 2016 director loans								$ 56
Debt maturity description							April 30, 2018 or the receipt of proceeds from the sale of the Company’s 41.2% ownership in DSIT.
Debt interest rate						8.00%	3.15%
Ownership interest						41.20%
Proceeds from debt						$ 400
Accrued interest							$ 107
Messrs Woolard [Member]
Retainer fees received by company's shares							$ 17
Common stock issued							94,444
Jackson [Member]
Board fees received by company's shares							$ 15
Common stock issued							83,333
Directors [Member]
Proceeds from related party debt					$ 300
Repayment of related party debt		$ 275
Percentage of interest repaid		15.00%
Director One [Member]
Proceeds from related party debt					$ 200
Percentage of borrowed amounts the company need to repay to each director					115.00%
Repayment of related party debt		$ 200
Director Two [Member]
Proceeds from related party debt					$ 100
Percentage of borrowed amounts the company need to repay to each director					115.00%
Principal amount converted to common stock			$ 100
Interest due converted into common stock			$ 15
Conversion of promissory note to common stock, shares			465,587
Director Three [Member]
Proceeds from related party debt				$ 75
Percentage of borrowed amounts the company need to repay to each director				115.00%
Repayment of related party debt		$ 75
Board of Directors [Member]
Secured commitments from company's board of directors	$ 1,900
Funded amount	$ 900
Debt interest rate	12.50%
Ownership interest	41.20%
Director [Member]
Funded amount						$ 400
Director [Member] \| Maximum [Member]
Additional commitment from the company's directors							$ 1,000