COVER - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Mar. 21, 2025	Jun. 30, 2024
Document Information [Line Items]
Document Type	10-K
Document Annual Report	true
Current Fiscal Year End Date	--12-31
Document Period End Date	Dec. 31, 2024
Document Transition Report	false
Entity File Number	0-25969
Entity Registrant Name	URBAN ONE, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	52-1166660
Entity Address, Address Line One	1010 Wayne Avenue
Entity Address, Address Line Two	14th Floor
Entity Address, City or Town	Silver Spring
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	20910
City Area Code	301
Local Phone Number	429-3200
Title of 12(b) Security	None
Entity Well-known Seasoned Issuer	No
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
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction Flag	false
Entity Shell Company	false
Entity Public Float			$ 38.5
Entity Central Index Key	0001041657
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	FY
Amendment Flag	false
Common Stock Class A
Document Information [Line Items]
Title of 12(g) Security	Class A Common Stock, $0.001 Par Value
Trading Symbol	UONE
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		6,573,049
Common Stock Class B
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		2,861,843
Common Stock Class C
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		2,045,016
Common Stock Class D
Document Information [Line Items]
Title of 12(g) Security	Class D Common Stock, $0.001 Par Value
Trading Symbol	UONEK
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		34,137,822