Initial factoring fee.

No definition available.

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Namespace Prefix:	MVEN_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit , maximum borrowing percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	MVEN_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Monthly sales volume amount.

+ References

No definition available.

+ Details

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Namespace Prefix:	MVEN_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

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Balance Type:	na
Period Type:	duration

- Definition

Amount of the fee that accompanies borrowing money under the debt instrument.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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+ Details

Name:	us-gaap_DueFromRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=MVEN_PrimeRatesMember
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- Details

Name:	us-gaap_CreditFacilityAxis=MVEN_FastPayCreditFacilityMember
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Period Type:

- Details

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Period Type:

- Details

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Line of Credit (Details Narrative) - USD ($)			1 Months Ended	12 Months Ended
Line of Credit (Details Narrative) - USD ($)	Feb. 27, 2020	Nov. 30, 2018	Nov. 30, 2018	Dec. 31, 2019	Sep. 30, 2021	Dec. 31, 2020	Dec. 31, 2018
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Line of credit, outstanding amount					$ 9,400,000	$ 6,500,000
Debt instrument interest rate				12.00%		12.00%	12.00%
Interest and Unpaid Accrued Interest [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Receivable from related party				$ 626,532
Financing and Security Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Line of credit						$ 7,178,791
Line of credit maturity date	Feb. 06, 2022
Line of credit, outstanding amount					$ 6,705,391	$ 7,178,791
Financing and Security Agreement [Member] \| Prime Rates [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Line of credit interest rate	8.50%
Financing and Security Agreement [Member] \| Fast Pay Credit Facility [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Line of credit	$ 15,000,000
Factoring Note Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Debt instrument interest rate		3.00%	3.00%
Initial factoring fee		0.415%	0.415%
Debt fee		$ 950	$ 950
Factoring Note Agreement [Member] \| Interest Rate Floor [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Line of credit interest rate		5.00%
Factoring Note Agreement [Member] \| Prime Rate [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Line of credit interest rate		4.00%		8.75%
Factoring Note Agreement [Member] \| Maximum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Line of credit , maximum borrowing capacity		$ 3,500,000	$ 3,500,000
Line of credit , maximum borrowing percentage			85.00%
Factoring Note Agreement [Member] \| Minimum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Monthly sales volume amount		$ 1,000,000