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Discontinued Operations (Details Narrative) (U.S. Seismic Systems, Inc [Member], USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
U.S. Seismic Systems, Inc [Member]
 
Debt due to bank $ (1,460)us-gaap_LoansPayableToBank
/ dei_LegalEntityAxis
= ACFN_USSeismicSystemsIncMember
Debt interest rate 11.50%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
/ dei_LegalEntityAxis
= ACFN_USSeismicSystemsIncMember