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GOODWILL AND RADIO BROADCASTING LICENSES (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]    
Goodwill, Impairment Loss $ 0  
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