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v2.4.1.9

Summary of Significant Accounting Policies (Details Narrative) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 Customers | Dec. 31, 2013
Allowance for doubtful accounts | $ 143 us-gaap_AllowanceForDoubtfulAccountsReceivable | $ 8 us-gaap_AllowanceForDoubtfulAccountsReceivable
Increased (decreased) operating income | 1,152 ACFN_IncreaseDecreaseOperatingIncome | 824 ACFN_IncreaseDecreaseOperatingIncome
Increased (decreased) basic per share | $ 0.05 ACFN_IncreaseDecreaseEarningsPerShareBasic | $ 0.04 ACFN_IncreaseDecreaseEarningsPerShareBasic
Cash | 5,938 us-gaap_Cash |
Percentage of accounts receivable | 35.00%ACFN_PercentageOfAccountsReceivable |
Percentage of unbilled revenue | 64.00%ACFN_PercentageOfUnbilledRevenue |
Number of customers concentration of receivables | 2 ACFN_NumberOfCustomersConcentrationOfReceivables |
Fair Value, Concentration of Risk, Unbilled Revenue - number of customers | 3 ACFN_FairValueConcentrationOfRiskUnbilledRevenueNumberOfCustomers |
Advertising expenses | 26 us-gaap_AdvertisingExpense | 256 us-gaap_AdvertisingExpense
Weighted average number of options and warrants | 2,386,000 ACFN_WeightedAverageAntidilutiveNumberOfOptionsAndWarrants | 1,452,000 ACFN_WeightedAverageAntidilutiveNumberOfOptionsAndWarrants
Trade Accounts Receivable [Member] |  |
Charged expense | $ 142 ACFN_TradeAccountsReceivableChargedToExpense / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_TradeAccountsReceivableMember | $ 8 ACFN_TradeAccountsReceivableChargedToExpense / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_TradeAccountsReceivableMember
Subsidiaries [Member] |  |
Percentage of controlled interest | 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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