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Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Cash flows used in operating activities: |  |
Net loss | $ (2,934)us-gaap_ProfitLoss | $ (4,575)us-gaap_ProfitLoss
Adjustments to reconcile net loss to net cash used in operating activities (see Schedule A) | 1,826 us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities | 3,398 us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
Net cash used in operating activities - continuing operations | (1,108)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | (1,177)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Net cash used in operating activities - discontinued operations | (1,430)us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations | (2,604)us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations
Net cash used in operating activities | (2,538)us-gaap_NetCashProvidedByUsedInOperatingActivities | (3,781)us-gaap_NetCashProvidedByUsedInOperatingActivities
Cash flows provided by (used in) investing activities: |  |
Acquisitions of property and equipment | (80)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (206)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Restricted deposits | (98)ACFN_RestrictedDeposits | (590)ACFN_RestrictedDeposits
Release of restricted deposits | 99 ACFN_ReleaseOfRestrictedDeposits | 74 ACFN_ReleaseOfRestrictedDeposits
Amounts funded for severance assets | (91)ACFN_AmountsFundedForSeveranceAssets | (33)ACFN_AmountsFundedForSeveranceAssets
Net cash used in investing activities - continuing operations | (170)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (755)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Net cash used in investing activities - discontinued operations |  | (134)us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations
Net cash used in investing activities | (170)us-gaap_NetCashProvidedByUsedInInvestingActivities | (889)us-gaap_NetCashProvidedByUsedInInvestingActivities
Cash flows provided by (used in) financing activities: |  |
Short-term bank credit, net | 112 us-gaap_ProceedsFromLinesOfCredit | 342 us-gaap_ProceedsFromLinesOfCredit
Repayments of long-term debt | (32)us-gaap_RepaymentsOfLongTermDebt |
Net cash provided by financing activities - continuing operations | 80 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 342 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net cash used in financing activities - discontinued operations |  | (130)us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations
Net cash provided by financing activities | 80 us-gaap_NetCashProvidedByUsedInFinancingActivities | 212 us-gaap_NetCashProvidedByUsedInFinancingActivities
Effect of exchange rate changes on cash and cash equivalents | (59)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents | 10 us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
Net decrease in cash and cash equivalents | (2,687)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (4,448)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at the beginning of the year - discontinued operations | 52 ACFN_CashAndCashEquivalentsAtBeginningOfYearOfDiscontinuedOperations | 748 ACFN_CashAndCashEquivalentsAtBeginningOfYearOfDiscontinuedOperations
Cash and cash equivalents at the beginning of the year - continuing operations | 4,821 ACFN_CashAndCashEquivalentsAtBeginningOfYearOfContinuingOperations | 16,531 ACFN_CashAndCashEquivalentsAtBeginningOfYearOfContinuingOperations
Cash and cash equivalents at the end of the period - discontinued operations | 87 ACFN_CashAndCashEquivalentsAtEndOfYearOfDiscontinuedOperations | 9 ACFN_CashAndCashEquivalentsAtEndOfYearOfDiscontinuedOperations
Cash and cash equivalents at the end of the period - continuing operations | 2,099 ACFN_CashAndCashEquivalentsAtEndOfYearOfContinuingOperations | 12,822 ACFN_CashAndCashEquivalentsAtEndOfYearOfContinuingOperations
A. Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |
Loss from discontinued operations | 1,152 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | 1,956 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Depreciation and amortization | 132 us-gaap_DepreciationDepletionAndAmortization | 195 us-gaap_DepreciationDepletionAndAmortization
Increase in accrued severance | 109 ACFN_IncreaseInLiabilityForEmployeeTerminationBenefits | 39 ACFN_IncreaseInLiabilityForEmployeeTerminationBenefits
Stock-based compensation | 208 us-gaap_ShareBasedCompensation | 310 us-gaap_ShareBasedCompensation
Deferred taxes | (33)us-gaap_DeferredIncomeTaxExpenseBenefit | (57)us-gaap_DeferredIncomeTaxExpenseBenefit
Other | 10 us-gaap_OtherNoncashIncomeExpense | (3)us-gaap_OtherNoncashIncomeExpense
Change in operating assets and liabilities: |  |
Decrease (increase) in accounts receivable, unbilled revenue, other current and other assets | (184)us-gaap_IncreaseDecreaseInOtherOperatingAssets | 2,021 us-gaap_IncreaseDecreaseInOtherOperatingAssets
Decrease in inventory | 36 us-gaap_IncreaseDecreaseInInventories | 37 us-gaap_IncreaseDecreaseInInventories
Increase (decrease) in accounts payable, accrued payroll, payroll taxes and social benefits, deferred revenues, other current liabilities and other liabilities | 396 us-gaap_IncreaseDecreaseInOperatingLiabilities | (1,100)us-gaap_IncreaseDecreaseInOperatingLiabilities
Adjustments to reconcile net loss to net cash provided by (used in) operating activities, total | $ 1,826 us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities | $ 3,398 us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities

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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3521-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585 + Details
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