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Equity - Summary Status of DSIT Plan (Details) (Parenthetical) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Weighted average exercise price, Granted | $ 2.14 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice | $ 6.06 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
NIS [Member] |  |
Weighted average exercise price, Granted | $ 9.38 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_CurrencyAxis = ACFN_NisMember |
Weighted average exercise price of forfeitures | $ 9.38 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice / us-gaap_CurrencyAxis = ACFN_NisMember |
Exchange rate | $ 3.89 ACFN_WeightedAverageExchangeRates / us-gaap_CurrencyAxis = ACFN_NisMember | $ 3.47 ACFN_WeightedAverageExchangeRates / us-gaap_CurrencyAxis = ACFN_NisMember

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- Definition Weighted Average Exchange Rates. + References No definition available. + Details
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. + References No definition available. + Details
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
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- Details
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Namespace Prefix: |
Data Type: | na
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