Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Condensed Consolidated Statements of Operations
Net revenues	$ 33,116	$ 31,465	$ 99,118	$ 93,554
Operating Expenses:
Cost of revenues	9,826	10,249	30,647	29,609
Selling, general and administrative	8,999	8,907	27,775	26,816
Depreciation and amortization	4,083	4,283	12,500	12,929
Other expenses	638	75	770	381
(Gain) loss on disposition of assets	(9)		6	31
Total operating expenses	23,537	23,514	71,698	69,766
Operating income	9,579	7,951	27,420	23,788
Other Expenses:
Interest expense, net	(2,954)	(3,080)	(8,779)	(9,071)
Income before income taxes	6,625	4,871	18,641	14,717
Income tax expense	(2,276)	(1,961)	(6,563)	(5,912)
Net income	$ 4,349	$ 2,910	$ 12,078	$ 8,805
Earnings per share:
Basic (in dollars per share)	$ 0.11	$ 0.07	$ 0.29	$ 0.21
Diluted (in dollars per share)	$ 0.11	$ 0.07	$ 0.28	$ 0.20
Weighted average shares outstanding:
Basic (in shares)	40,499	43,103	42,057	42,748
Diluted (in shares)	41,035	44,143	42,764	43,563