SHARE-BASED COMPENSATION - Other Award Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	473,175		473,175		486,675
Weighted average remaining contractual life options outstanding			3 years 7 months 6 days
Weighted average exercise price options outstanding	$ 1.97		$ 1.97		$ 2.11
Number of options exercisable	473,175		473,175
Weighted average exercise price options exercisable	$ 1.97		$ 1.97
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	$ 907	$ 895	$ 1,606	$ 1,751
Exercise prices from 1.34 to 1.34
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	436,925		436,925
Weighted average remaining contractual life options outstanding			3 years 7 months 6 days
Weighted average exercise price options outstanding	$ 1.34		$ 1.34
Number of options exercisable	436,925		436,925
Weighted average exercise price options exercisable	$ 1.34		$ 1.34
Exercise prices from 2.02 to 11.78
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	36,250		36,250
Weighted average remaining contractual life options outstanding			3 years
Weighted average exercise price options outstanding	$ 9.54		$ 9.54
Number of options exercisable	36,250		36,250
Weighted average exercise price options exercisable	$ 9.54		$ 9.54
Station operating expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	$ 368	259	$ 545	395
Corporate general and administrative expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	1,062	1,026	1,997	2,099
Stock-based compensation expense included in operating expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	1,430	1,285	2,542	2,494
Income tax benefit (net of a fully reserved valuation allowance for prior year) [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	$ 523	$ 390	$ 936	$ 743