SHARE-BASED COMPENSATION - Other Award Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	441,300		441,300		466,925
Weighted average remaining contractual life options outstanding			2 years 7 months 6 days
Weighted average exercise price options outstanding	$ 1.96		$ 1.96		$ 1.93
Number of options exercisable	441,300		441,300
Weighted average exercise price options exercisable	$ 1.96		$ 1.96
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	$ 1,006	$ 907	$ 1,936	$ 1,606
Exercise prices from 1.34 to 1.34
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	407,675		407,675
Weighted average remaining contractual life options outstanding			2 years 7 months 6 days
Weighted average exercise price options outstanding	$ 1.34		$ 1.34
Number of options exercisable	407,675		407,675
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	33,625		33,625
Weighted average remaining contractual life options outstanding			2 years 2 months 12 days
Weighted average exercise price options outstanding	$ 9.48		$ 9.48
Number of options exercisable	33,625		33,625
Weighted average exercise price options exercisable	$ 9.48		$ 9.48
Station operating expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	$ 363	368	$ 590	545
Corporate general and administrative expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	1,174	1,062	2,429	1,997
Stock-based compensation expense included in operating expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	1,537	1,430	3,019	2,542
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	$ 531	$ 523	$ 1,083	$ 936