XML 82 R74.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Leases (Details Narrative) - USD ($) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Feb. 07, 2020 | Sep. 30, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Operating lease, cost |  |  | $ 642,926 | $ 982,414 | $ 2,458,229 | $ 3,082,499 | $ 4,054,423 | $ 1,112,362 |
Operating Lease, Right-of-Use Asset |  | $ 2,048,900 | 2,048,900 |  | 2,048,900 |  | 18,292,196 | $ 3,980,649 |
Operating Lease, Liability |  | 2,254,176 | 2,254,176 |  | 2,254,176 |  | 20,945,754 |  |
Lessee, Operating Lease, Liability, to be Paid |  | 3,007,352 | 3,007,352 |  | 3,007,352 |  | $ 41,948,685 |  |
Lease description |  |  |  |  |  |  | which expire at various dates through 2032. |  |
Debt instrument, interest rate percentage |  |  |  |  |  |  | 12.00% | 12.00% | 12.00%
Cash deposit with bank |  |  |  |  |  |  | $ 185,606 | $ 160,910 |
Letter of Credit [Member] | Twelve Amended Senior Secured Notes [Member] | BRF Finance Co LLC [Member] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate percentage | 12.00% |  |  |  |  |  |  |  |
Landlords | $ 3,024,232 |  |  |  |  |  |  |  |
December One Two Thousand And Twenty One And October One Two Thousand And Twenty Two [Member] |  |  |  |  |  |  |  |  |
Lessee, Operating Lease, Liability, to be Paid |  | 1,000,000 | 1,000,000 |  | 1,000,000 |  |  |  |
October One Two Thousand And Twenty Two [Member] |  |  |  |  |  |  |  |  |
Lessee, Operating Lease, Liability, to be Paid |  | 1,000,000 | 1,000,000 |  | 1,000,000 |  |  |  |
October One Two Thousand And Twenty Three [Member] |  |  |  |  |  |  |  |  |
Lessee, Operating Lease, Liability, to be Paid |  | 4,000,000 | 4,000,000 |  | 4,000,000 |  |  |  |
October One Two Thousand And Twenty Three And October One Two Thousand And Twenty Four [Member] |  |  |  |  |  |  |  |  |
Lessee, Operating Lease, Liability, to be Paid |  | 4,000,000 | 4,000,000 |  | 4,000,000 |  |  |  |
Lease Arrangement [Member] |  |  |  |  |  |  |  |  |
Operating Lease, Right-of-Use Asset |  | 15,673,474 | 15,673,474 |  | 15,673,474 |  |  |  |
Operating Lease, Liability |  | 17,934,940 | $ 17,934,940 |  | $ 17,934,940 |  |  |  |
Gain (Loss) on Termination of Lease |  | 9,606,121 |  |  |  |  |  |  |
[custom:LossOnTerminationOfLease] |  | 7,344,655 |  |  |  |  |  |  |
Proceeds from Lease Payment, Operating Activity |  | 10,000,000 |  |  |  |  |  |  |
Advertising Expense |  | $ 1,475,000 |  |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |
Lease term |  | 1 year 6 months | 1 year 6 months |  | 1 year 6 months |  | 1 year 6 months |  |
Maximum [Member] |  |  |  |  |  |  |  |  |
Lease term |  | 7 years 10 months 24 days | 7 years 10 months 24 days |  | 7 years 10 months 24 days |  | 12 years 9 months 18 days |  |

X
- Definition Cash deposit with bank. + References No definition available. + Details
Name: | MVEN_CashDepositWithBank
Namespace Prefix: | MVEN_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Landlords. + References No definition available. + Details
Name: | MVEN_Landlords
Namespace Prefix: | MVEN_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Loss on Termination of Lease. + References No definition available. + Details
Name: | MVEN_LossOnTerminationOfLease
Namespace Prefix: | MVEN_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
Name: | us-gaap_AdvertisingExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of gain (loss) on termination of lease before expiration of lease term. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 40 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123386189&loc=SL77918607-209975 + Details
Name: | us-gaap_GainLossOnTerminationOfLease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Description of lessee's operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919359-209981 + Details
Name: | us-gaap_LessorOperatingLeaseTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
Name: | us-gaap_OperatingLeaseCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cash inflow from lease payment, classified as operating activity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123420820&loc=SL77919320-209978 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=123420820&loc=SL77919327-209978 + Details
Name: | us-gaap_ProceedsFromLeasePayments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ShortTermDebtTypeAxis=us-gaap_LetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=MVEN_TwelveAmendedSeniorSecuredNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_AwardDateAxis=MVEN_DecemberOneTwoThousandAndTwentyOneAndOctoberOneTwoThousandAndTwentyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=MVEN_OctoberOneTwoThousandAndTwentyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=MVEN_OctoberOneTwoThousandAndTwentyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=MVEN_OctoberOneTwoThousandAndTwentyThreeAndOctoberOneTwoThousandAndTwentyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=MVEN_LeaseArrangementMember
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: |