XML 133 R120.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Summary of Interest Expense (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Short-term Debt [Line Items] |  |  |  |  |  |
Amortization of debt discounts |  |  | $ 1,533,537 | $ 4,899,625 | $ 6,607,212 | $ 4,545,675
Total accrued and noncash converted interest |  |  |  |  | 9,244,324 | 3,065,633
Total cash paid interest expense |  |  |  |  | 645,681 | 2,852,262
Total interest expense | $ 2,512,637 | $ 4,253,180 | $ 7,695,317 | $ 12,169,315 | 16,497,217 | 10,463,570
Term Note [Member] |  |  |  |  |  |
Short-term Debt [Line Items] |  |  |  |  |  |
Amortization of debt discounts |  |  |  |  | 554,693 |
Total accrued and noncash converted interest |  |  |  |  | 747,453 |
12% Convertible Debentures [Member] |  |  |  |  |  |
Short-term Debt [Line Items] |  |  |  |  |  |
Amortization of debt discounts |  |  |  |  | 3,880,609 | 3,304,893
Total accrued and noncash converted interest |  |  |  |  | 2,116,281 | 1,831,130
12% Second Amended Senior Secured Note [Member] |  |  |  |  |  |
Short-term Debt [Line Items] |  |  |  |  |  |
Amortization of debt discounts |  |  |  |  | 2,171,910 | 1,240,782
Total accrued and noncash converted interest |  |  |  |  | 6,374,746 | 1,228,709
Total cash paid interest expense |  |  |  |  |  | 2,351,904
Promissory Note [Member] |  |  |  |  |  |
Short-term Debt [Line Items] |  |  |  |  |  |
Total accrued and noncash converted interest |  |  |  |  | 5,844 | 5,794
Total cash paid interest expense |  |  |  |  |  | 983
Other [Member] |  |  |  |  |  |
Short-term Debt [Line Items] |  |  |  |  |  |
Total cash paid interest expense |  |  |  |  | $ 645,681 | $ 499,375

X
- Definition Accrued and Noncash Converted Interest. + References No definition available. + Details
Name: | MVEN_AccruedAndNoncashConvertedInterest
Namespace Prefix: | MVEN_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Cash paid interest expense. + References No definition available. + Details
Name: | MVEN_CashPaidInterestExpense
Namespace Prefix: | MVEN_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1F -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
Name: | us-gaap_AmortizationOfDebtDiscountPremium
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (210.5-03(11)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
Name: | us-gaap_InterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShortTermDebtLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=MVEN_TermNoteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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