The amounts due with respect to the loan.

No definition available.

Name:	ACFN_AmountsDueWithRespectToLoan
Namespace Prefix:	ACFN_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Borrowed against certain accounts receivable balances.

+ References

No definition available.

+ Details

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

- Definition

Debt repayment period.

+ References

No definition available.

+ Details

Name:	ACFN_DebtRepaymentPeriod
Namespace Prefix:	ACFN_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Interest rate above prime rate.

+ References

No definition available.

+ Details

Name:	ACFN_InterestRateAbovePrimeRate
Namespace Prefix:	ACFN_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Loan amount repaid from January 1,2016 to the closing date.

+ References

No definition available.

+ Details

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

- Definition

Loan and security agreement expires.

+ References

No definition available.

+ Details

Name:	ACFN_LoanAndSecurityAgreementExpires
Namespace Prefix:	ACFN_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum financing of account receivable formula-based agreement

+ References

No definition available.

+ Details

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

- Definition

Percentage of all eligible invoices

+ References

No definition available.

+ Details

Name:	ACFN_PercentageOfAllEligibleInvoices
Namespace Prefix:	ACFN_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of eligible hardware invoices.

+ References

No definition available.

+ Details

Name:	ACFN_PercentageOfEligibleHardwareInvoices
Namespace Prefix:	ACFN_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of eligible monitoring invoices.

+ References

No definition available.

+ Details

Name:	ACFN_PercentageOfEligibleMonitoringInvoices
Namespace Prefix:	ACFN_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Repayment of debt, monthly paid amount.

+ References

No definition available.

+ Details

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

- Definition

Utilized portion of line of credit.

+ References

No definition available.

+ Details

Name:	ACFN_UtilizedPortionOfLineOfCredit
Namespace Prefix:	ACFN_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

+ References

+ Details

Name:	us-gaap_DebtCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

+ References

+ Details

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ 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(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash inflow from bank borrowing during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

Name:	us-gaap_ProceedsFromBankDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Cash received from principal payments made on loans related to operating activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585

+ Details

Name:	us-gaap_ProceedsFromLoans
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_CounterpartyNameAxis=ACFN_IsraeliCPIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=ACFN_DsitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CurrencyAxis=ACFN_ILSMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CounterpartyNameAxis=ACFN_TwoIsraeliBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=ACFN_IsraeliPrimeRatePlusMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=ACFN_OmnimetrixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=ACFN_LoanandSecurityAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_PrimeRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt (Details Narrative) - USD ($) $ in Thousands	1 Months Ended				4 Months Ended	12 Months Ended
Debt (Details Narrative) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016	Feb. 29, 2016	Jul. 31, 2014	Apr. 21, 2016	Dec. 31, 2015	Dec. 31, 2014
Short-term bank credit and current maturities of long-term bank debt	$ 376					$ 1,916
Borrowed against certain accounts receivable balances						$ 862
Debt instrument interest rate per annum	3.15%
Israeli CPI [Member]
Debt instrument interest rate per annum				1.00%
DSIT [Member]
Line of credit, interest rate						3.10%
Repayment of debt, monthly paid amount				$ 11
Proceeds from loans				292
The amounts due with respect to the loan						$ 75
Loan amount repaid from January 1,2016 to the closing date					$ 43
DSIT [Member] \| NIS [Member]
Proceeds loan				$ 1,000
Debt repayment period				2 years
DSIT [Member] \| Two Israeli Bank [Member]
Line of credit						1,180
Utilized portion of line of credit						$ 979
Israeli Prime Rate Plus [Member]
Interest rate above Israel prime rate							1.80%
Omni Metrix [Member]
Debt instrument interest rate per annum	8.00%
Omni Metrix [Member] \| Loan and Security Agreement [Member]
Maximum financing of account receivable formula-based agreement			$ 500
Percentage of monthly service charge		1.00%	1.125%
Debt effective interest rate			19.50%
Percentage of eligible hardware invoices, modified by a new formula		80.00%
Percentage of eligible monitoring invoices, modified by a new formula		40.00%
Percentage of all eligible invoices		75.00%
Loan and security agreement expires		Sep. 30, 2017
Short-term bank credit and current maturities of long-term bank debt	$ 376
Omni Metrix [Member] \| Loan and Security Agreement [Member] \| Minimum [Member]
Line of credit		$ 150
Omni Metrix [Member] \| Loan and Security Agreement [Member] \| Prime Rate [Member]
Debt interest rate description	The greater of prime (3.75% at December 31, 2016) plus 2% or 6% per year.