v3.19.2
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2019
Jul. 29, 2019
Document Information [Line Items]    
Document Type 10-Q  
Document Period End Date Jun. 30, 2019  
Entity Registrant Name URBAN ONE, INC.  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Amendment Flag false  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2  
Entity Central Index Key 0001041657  
Current Fiscal Year End Date --12-31  
Trading Symbol UONE  
Common Stock Class A [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   1,582,717
Common Stock Class B [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   2,861,843
Common Stock Class C [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   2,928,906
Common Stock Class D [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   38,700,512