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EQUITY DSIT Options (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2013
DSIT Options [Abstract] |
Share-based Compensation Arrangement by Share-based Payment Award, Alternate Vesting Period | 25 years
Share based compensation - DSIT | $ 159

X
- Definition Alternate vesting period for DSIT options following modification + References No definition available. + Details
Name: | acfn_AlternatevestingperiodforDSIToptionsfollowingmodification
Namespace Prefix: | acfn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | acfn_DSITOptionsAbstract
Namespace Prefix: | acfn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Share based compensation - DSIT + References No definition available. + Details
Name: | acfn_SharebasedcompensationDSIT
Namespace Prefix: | acfn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration