Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Condensed Consolidated Statements of Operations
Net revenues	$ 35,180	$ 35,031	$ 68,339	$ 66,002
Operating Expenses:
Cost of revenues	10,298	10,638	20,543	20,821
Selling, general and administrative	9,843	9,520	19,335	18,776
Depreciation and amortization	4,067	4,061	8,182	8,417
Other expenses	474	119	2,724	132
Loss on disposition of assets	2	16	2	15
Total operating expenses	24,684	24,354	50,786	48,161
Operating income	10,496	10,677	17,553	17,841
Other :
Interest expense, net	(2,598)	(2,869)	(5,226)	(5,825)
Income (Loss) from Equity Method Investments			(100)
Other income, net	121		121
Total other expenses, net	(2,477)	(2,869)	(5,105)	(5,825)
Income before income taxes	8,019	7,808	12,448	12,016
Income tax expense	(2,838)	(2,779)	(4,522)	(4,287)
Net income	$ 5,181	$ 5,029	$ 7,926	$ 7,729
Earnings per share:
Basic (in dollars per share)	$ 0.13	$ 0.12	$ 0.20	$ 0.18
Diluted (in dollars per share)	$ 0.13	$ 0.12	$ 0.19	$ 0.18
Weighted average shares outstanding:
Basic (in shares)	40,633	42,546	40,574	42,844
Diluted (in shares)	40,808	42,807	40,784	43,638