Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details 2)

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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details 2) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Broadcasting [Member]        
Advertising Barter Transactions, Advertising Barter Revenue $ 1,841 $ 1,222 $ 3,531 $ 2,525
Advertising Barter Transactions, Advertising Barter Costs 1,487 1,046 2,753 2,265
Digital Media [Member]        
Advertising Barter Transactions, Advertising Barter Revenue 6 14 7 40
Advertising Barter Transactions, Advertising Barter Costs 2 8 2 83
Publishing [Member]        
Advertising Barter Transactions, Advertising Barter Revenue 48 0 93 0
Advertising Barter Transactions, Advertising Barter Costs $ 0 $ 0 $ 0 $ 0