Condensed Consolidated Statements Of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
REVENUE	$ 24,013	$ 23,255	$ 68,308	$ 59,545
EXPENSES:
Depreciation and amortization	17,714	18,933	61,946	58,839
Cost of sales	31	22	74	55
Selling, general and administrative	5,049	5,386	15,700	16,013
Total operating expenses	22,794	24,341	77,720	74,907
INCOME (LOSS) FROM OPERATIONS	1,219	(1,086)	(9,412)	(15,362)
Interest expense, net	(6,139)	(6,298)	(18,536)	(18,988)
Foreign currency exchange gains (losses)	(3)	(20)	(88)	143
Other income	0	572	96	582
Loss before income taxes	(4,923)	(6,832)	(27,940)	(33,625)
Provision (benefit) for income taxes	1,421	(1,389)	1,419	(5,083)
NET LOSS	$ (6,344)	$ (5,443)	$ (29,359)	$ (28,542)