XML 16 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Document and Entity Information - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Mar. 16, 2020
Jun. 30, 2019
Document Information [Line Items]      
Document Type 10-K    
Document Period End Date Dec. 31, 2019    
Entity Registrant Name URBAN ONE, INC.    
Entity Well-known Seasoned Issuer No    
Entity Public Float     $ 43.8
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-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 FY    
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   1,582,359  
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   38,204,964