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Restricted Stock Liabilities - Schedule of Components of Restricted Stock Liabilities (Details) (Parenthetical) - $ / shares		6 Months Ended
	Dec. 15, 2020	Jun. 30, 2021
Restricted Stock Liabilities
Number of shares vested	1,064,549	1,064,549
Purchase price per share	$ 4.00	$ 4.00

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- References

No definition available.

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Namespace Prefix:	MVEN_
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- Definition

Purchase price per share.

+ References

No definition available.

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Namespace Prefix:	MVEN_
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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

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