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v2.4.1.9

Accrued Severance, Severance Assets and Retirement Plans (Details Narrative) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013
Severance pay contributions | $ 411 us-gaap_SeveranceCosts1 | $ 434 us-gaap_SeveranceCosts1 |  |
Percentage on contribution of employee salaries | 3.00%ACFN_PercentageOnContributionOfEmployeeSalaries |  |  |
Expense related to employer | 218 us-gaap_CostsAndExpensesRelatedParty | 200 us-gaap_CostsAndExpensesRelatedParty |  |
Employer expense related to discontinued operations | 125 ACFN_EmployerExpenseRelatedToDiscontinuedOperations | 81 ACFN_EmployerExpenseRelatedToDiscontinuedOperations |  |
GridSense [Member] |  |  |  |
Severance pay contributions |  |  | 10 us-gaap_SeveranceCosts1 / us-gaap_CreditFacilityAxis = ACFN_GridSenseMember | 92 us-gaap_SeveranceCosts1 / us-gaap_CreditFacilityAxis = ACFN_GridSenseMember
GridSense [Member] | Minimum [Member] |  |  |  |
Percentage on contribution of employee salaries | 9.00%ACFN_PercentageOnContributionOfEmployeeSalaries / us-gaap_CreditFacilityAxis = ACFN_GridSenseMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  |
December 31, 2015 [Member] |  |  |  |
Severance pay obligations | $ 337 ACFN_SeverancePayObligations / us-gaap_CreationDateAxis = ACFN_DecemberThirtyFirstTwoThousandFifiteenMember |  |  |

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- Definition Employer Expense Related To Discontinued Operations. + References No definition available. + Details
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- Definition Percentage On Contribution Of Employee Salaries. + References No definition available. + Details
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- Definition Costs of sales and operating expenses for the period incurred from transactions with related parties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(10) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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