Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2019	May 03, 2019
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Entity Registrant Name	URBAN ONE, INC.
Entity Central Index Key	0001041657
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Trading Symbol	UONE
Entity Emerging Growth Company	false
Entity Small Business	true
Common Class A [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		1,615,092
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		2,861,843
Common Class C [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		2,928,906
Common Class D [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		38,387,431