INCOME TAXES - Reconciliation of federal income tax (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
INCOME TAXES
Statutory federal tax expense		$ 2,714	$ 716
Effect of state taxes, net of federal benefit		1,904	383
Effect of state rate and tax law changes		578	(1,423)
Return to provision adjustments		(110)	659
Other permanent items		75	100
Non-deductible meals and entertainment		226	253
Impairment of long-lived intangible assets		1,218	3,087
Non-deductible officer's compensation		1,781	(561)
Change in valuation allowance		24	(125,635)
IRC Section 382 adjustments		573	(13,547)
NOL expirations		1,815	0
Stock-based compensation forfeitures and adjustments		178	1,677
Uncertain tax positions		(172)	(829)
Other		60	(79)
Income Tax Expense (Benefit), Total	$ (124,300)	$ 10,864	$ (135,199)

No definition available.

Name:	uone_EffectiveIncomeTaxRateReconciliationIRC382AdjustmentsAmount
Namespace Prefix:	uone_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to nondeductible expenses pertaining to expiring net operating losses under enacted laws.

+ References

No definition available.