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Summary of Significant Accounting Policies - Summary of Outstanding Securities (Details) - USD ($)			6 Months Ended
	Jun. 15, 2018	Jun. 11, 2018	Jun. 30, 2018
10% Senior Convertible Debenture [Member]
Carrying amount, beginning balance
Recognition of conversion feature	$ 471,002
Change in fair value			(10,494)
Carrying amount, ending balance			460,508
8% Convertible Notes Payable [Member]
Carrying amount, beginning balance
Recognition of conversion feature	81,169	78,432
Change in fair value			(26,662)
Carrying amount, ending balance			132,939
10% Senior Convertible Debenture and 8% Convertible Notes Payable Derivative Liability [Member]
Carrying amount, beginning balance
Recognition of conversion feature	$ 552,171	$ 78,432
Change in fair value			(37,156)
Carrying amount, ending balance			$ 593,447

X

- Definition

Convertible debt fair value.

+ References

No definition available.

+ Details

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

X

- Definition

Debt instrument, convertible, beneficial conversion feature.

+ References

No definition available.

+ Details

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Namespace Prefix:	MVEN_
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X

- Definition

Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644

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- Details

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- Details

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- Details

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