SEGMENT INFORMATION - EMPLOYEE STOCK-BASED COMPENSATION EXPENSE (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	$ 65	$ 1,726	$ 2,279	$ 1,726
Direct operating
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	0	10	60	10
Selling, general and administrative
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	65	$ 1,716	2,219	1,716
Phase I
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	0		0	0
Phase I | Direct operating
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	0		0	0
Phase I | Selling, general and administrative
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	0		0	0
Phase II
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	0		0	0
Phase II | Direct operating
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	0		0	0
Phase II | Selling, general and administrative
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	0		0	0
Services
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	0		50	14
Services | Direct operating
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	0		36	10
Services | Selling, general and administrative
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	0		14	4
Content & Entertainment
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	0		841	289
Content & Entertainment | Direct operating
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	0		24	0
Content & Entertainment | Selling, general and administrative
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	0		817	289
Corporate
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	65		1,388	1,423
Corporate | Direct operating
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	0		0	0
Corporate | Selling, general and administrative
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total stock-based compensation	$ 65		$ 1,388	$ 1,423