Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
REVENUE	$ 22,195	$ 24,013	$ 54,008	$ 68,308
EXPENSES:
Depreciation and amortization	10,130	17,714	28,522	61,946
Impairment of goodwill	0	0	4,496	0
Cost of sales	7	31	112	74
Selling, general and administrative	10,855	5,049	21,369	15,700
Total operating expenses	20,992	22,794	54,499	77,720
INCOME (LOSS) FROM OPERATIONS	1,203	1,219	(491)	(9,412)
Interest expense, net	(5,984)	(6,139)	(18,070)	(18,536)
Foreign currency exchange gains (losses)	(238)	(3)	874	(88)
Other income	13	0	85	96
Loss before income taxes	(5,006)	(4,923)	(17,602)	(27,940)
Provision (benefit) for income taxes	(286)	1,421	(1,168)	1,419
NET LOSS	$ (4,720)	$ (6,344)	$ (16,434)	$ (29,359)