GOODWILL AND RADIO BROADCASTING LICENSES (Details Textual) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($)
Schedule Of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Goodwill, Impairment Loss	$ 2,712
Charlotte Goodwill [Member]
Schedule Of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Goodwill, Impairment Loss	2,700
Radio Broadcasting Licenses [Member]
Schedule Of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Impairment of Intangible Assets, Finite-lived	$ 3,800