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v3.20.1

Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Notes to Financial Statements |  |
Cash paid for operating lease liabilities | $ 47 |

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- Definition Cash paid for operating lease liabilities. + References No definition available. + Details
Name: | ACFN_CashPaidForOperatingLeaseLiabilities
Namespace Prefix: | ACFN_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | ACFN_NotesToFinancialStatementsAbstract
Namespace Prefix: | ACFN_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration