Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Sep. 26, 2018
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Entity Registrant Name	theMaven, Inc.
Entity Central Index Key	0000894871
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Trading Symbol	MVEN
Entity Common Stock, Shares Outstanding		33,459,013
Entity Emerging Growth Company	false
Entity Ex Transition Period	false
Entity Small Business	true