SEGMENT INFORMATION - RECONCILIATION OF OPERATING PROFIT (LOSS) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	$ 18,492	$ 24,445	$ 50,010	$ 70,800
Direct operating (excludes depreciation and amortization shown below)	6,363	7,287	14,470	17,880
Selling, general and administrative	9,259	6,095	21,824	17,766
Allocation of Corporate overhead	0	0	0	0
Provision for doubtful accounts	631	416	1,580	416
Restructuring, transition and acquisition expenses, net		22		132
Depreciation and amortization of property and equipment	2,213	6,271	10,215	22,558
Amortization of intangible assets	1,395	1,395	4,185	4,322
Total operating expenses	19,861	21,486	52,274	63,074
Income (loss) from operations	(1,369)	2,959	(2,264)	7,726
Phase I
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	3,219	7,266	12,879	26,022
Direct operating (excludes depreciation and amortization shown below)	337	336	888	770
Selling, general and administrative	337	158	520	407
Allocation of Corporate overhead	0	0	0	0
Provision for doubtful accounts	452	318	1,360	318
Restructuring, transition and acquisition expenses, net		0		0
Depreciation and amortization of property and equipment	185	4,136	4,101	16,156
Amortization of intangible assets	11	11	34	34
Total operating expenses	1,322	4,959	6,903	17,685
Income (loss) from operations	1,897	2,307	5,976	8,337
Phase II
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	3,193	2,995	8,845	9,448
Direct operating (excludes depreciation and amortization shown below)	94	168	284	270
Selling, general and administrative	99	62	265	144
Allocation of Corporate overhead	0	0	0	0
Provision for doubtful accounts	182	98	223	98
Restructuring, transition and acquisition expenses, net		0		0
Depreciation and amortization of property and equipment	1,881	1,881	5,642	5,642
Amortization of intangible assets	0	0	0	0
Total operating expenses	2,256	2,209	6,414	6,154
Income (loss) from operations	937	786	2,431	3,294
Services
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	2,049	2,625	6,550	9,042
Direct operating (excludes depreciation and amortization shown below)	28	3	38	6
Selling, general and administrative	247	227	768	529
Allocation of Corporate overhead	410	399	1,210	1,194
Provision for doubtful accounts	0	0	0	0
Restructuring, transition and acquisition expenses, net		0		0
Depreciation and amortization of property and equipment	0	0	0	0
Amortization of intangible assets	0	0	0	0
Total operating expenses	685	629	2,016	1,729
Income (loss) from operations	1,364	1,996	4,534	7,313
Content & Entertainment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	10,031	11,559	21,736	26,288
Direct operating (excludes depreciation and amortization shown below)	5,904	6,780	13,260	16,834
Selling, general and administrative	4,634	3,910	12,518	11,486
Allocation of Corporate overhead	871	906	2,572	2,706
Provision for doubtful accounts	(3)	0	(3)	0
Restructuring, transition and acquisition expenses, net		0		87
Depreciation and amortization of property and equipment	91	69	242	204
Amortization of intangible assets	1,384	1,383	4,147	4,282
Total operating expenses	12,881	13,048	32,736	35,599
Income (loss) from operations	(2,850)	(1,489)	(11,000)	(9,311)
Corporate
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	0	0	0	0
Direct operating (excludes depreciation and amortization shown below)	0	0	0	0
Selling, general and administrative	3,942	1,738	7,753	5,200
Allocation of Corporate overhead	(1,281)	(1,305)	(3,782)	(3,900)
Provision for doubtful accounts	0	0		0
Restructuring, transition and acquisition expenses, net		22		45
Depreciation and amortization of property and equipment	56	185	230	556
Amortization of intangible assets	0	1	4	6
Total operating expenses	2,717	641	4,205	1,907
Income (loss) from operations	$ (2,717)	$ (641)	$ (4,205)	$ (1,907)