XML 48 R34.htm IDEA: XBRL DOCUMENT
v3.20.4

Investment in Omnimetrix (Details Narrative) - USD ($) $ in Thousands |  | 1 Months Ended |
--- | --- | --- | ---
Jul. 02, 2019 | Dec. 31, 2015 | Dec. 31, 2020
Payments to repurchase of preferred stock | $ 1,273 |  |
Unpaid dividend payment | $ 323 |  |
Omnimetrix LLC [Member] | Minimum [Member] |  |  |
Percentage of ownership in Omni Metrix, LLC |  |  | 80.00%
Omnimetrix LLC [Member] | Maximum [Member] |  |  |
Percentage of ownership in Omni Metrix, LLC | 99.00% |  |
CEO [Member] | Omnimetrix LLC [Member] |  |  |
Percentage of ownership in Omni Metrix, LLC | 1.00% |  |
OMX Holdings, Inc [Member] |  |  |
Percentage acquired by one of the company's directors |  | 20.00% |
Purchase of Omni Metrix preferred stock |  | $ 1,000 |
OMX Holdings, Inc [Member] | Minimum [Member] |  |  |
Percentage of ownership in Omni Metrix, LLC | 80.00% |  |
OMX Holdings, Inc [Member] | Maximum [Member] |  |  |
Percentage of ownership in Omni Metrix, LLC | 99.00% |  |
OMX Holdings, Inc [Member] | Investor [Member] |  |  |
Investment |  |  | $ 1,000
OMX Holdings, Inc [Member] | CEO [Member] |  |  |
Percentage of ownership in Omni Metrix, LLC | 1.00% |  |
Omnimetrix LLC [Member] |  |  |
Percentage of ownership in Omni Metrix, LLC | 100.00% | 100.00% |

X
- Definition Payments To Acquire Preferred Stock. + References No definition available. + Details
Name: | ACFN_PaymentsToAcquirePreferredStock
Namespace Prefix: | ACFN_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Percentage acquired by one of the companys directors. + References No definition available. + Details
Name: | ACFN_PercentageAcquiredByOneOfCompanysDirectors
Namespace Prefix: | ACFN_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Unpaid dividend payment. + References No definition available. + Details
Name: | ACFN_UnpaidDividendPayment
Namespace Prefix: | ACFN_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Sum of the carrying amounts as of the balance sheet date of all investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(h)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
Name: | us-gaap_Investments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash outflow to reacquire preferred stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_OwnershipAxis=ACFN_OmniMetrixLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_ChiefExecutiveOfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=ACFN_OMXHoldingsIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=us-gaap_InvestorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=ACFN_OmniMetrixLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |