Restricted Stock Liabilities (Details Narrative) - USD ($)		12 Months Ended
Dec. 15, 2020	Dec. 31, 2020
Share-based Payment Arrangement, Noncash Expense [Abstract]
Number of shares vested	1,064,549	1,064,549
Purchase price per share	$ 4.00	$ 4.00
Incremental stock-based compensation costs	$ 334,328
Reclassification of restricted stock awards and units from equity to liability classified upon modification	$ 3,800,734	$ (3,800,734)

Purchase price per share.

No definition available.

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- Definition

Reclassification of restricted stock awards and units from equity to liability classified upon modification.

+ References

No definition available.

+ Details

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Namespace Prefix:	MVEN_
Data Type:	xbrli:monetaryItemType
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- References

No definition available.

+ Details

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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Data Type:	xbrli:sharesItemType
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- Definition

The excess of the fair value of the modified award over the fair value of the award immediately before the modification.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)(iii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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