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INCOME TAXES Taxation in Australia (Details) | 12 Months Ended
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Dec. 31, 2012
Operating Loss Carryforwards [Line Items] |
Australia corporate tax rate | 30.00%

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- Definition Australia corporate tax rate + References No definition available. + Details
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Namespace Prefix: | acfn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_OperatingLossCarryforwardsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration