SHARE-BASED COMPENSATION - Other Award Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	325,562		329,562
Weighted average remaining contractual life options outstanding	1 year 9 months 18 days
Weighted average exercise price options outstanding	$ 1.92		$ 1.91
Number of options exercisable	325,562
Weighted average exercise price options exercisable	$ 1.92
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	$ 1,085	$ 930
Exercise prices from 1.34 to 1.34
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	300,562
Weighted average remaining contractual life options outstanding	1 year 10 months 24 days
Weighted average exercise price options outstanding	$ 1.34
Number of options exercisable	300,562
Weighted average exercise price options exercisable	$ 1.34
Exercise prices from 2.02 to 11.78
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	25,000
Weighted average remaining contractual life options outstanding	1 year 4 months 24 days
Weighted average exercise price options outstanding	$ 8.87
Number of options exercisable	25,000
Weighted average exercise price options exercisable	$ 8.87
Station operating expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	$ 204	227
Corporate general and administrative expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	1,389	1,254
Stock-based compensation expense included in operating expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	1,593	1,481
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	$ 508	$ 551