Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Net revenue	$ 70,509	$ 64,829	$ 128,019	$ 122,942
Expenses:
Cost of revenue - digital media	8,762	2,373	10,514	4,212
Direct operating expenses (including related parties of $2,392, $2,536, $4,712 and $4,847) (including non-cash stock-based compensation of $307, $300, $530 and $621)	29,915	28,538	57,007	56,103
Selling, general and administrative expenses	12,030	11,410	23,230	22,845
Corporate expenses (including non-cash stock-based compensation of $778, $644, $1,530 and $1,269)	5,619	5,293	11,486	10,897
Depreciation and amortization (includes direct operating of $2,398, $2,294, $4,604 and $4,749; selling, general and administrative of $1,849, $1,230, $2,865 and $2,429; and corporate of $329, $361, $654 and $734) (including related parties of $580, $580, $1,161 and $1,160)	4,577	3,885	8,123	7,912
Foreign currency (gain) loss	351		351
Total expenses	61,254	51,499	110,711	101,969
Operating income	9,255	13,330	17,308	20,973
Interest expense	(3,683)	(3,859)	(7,328)	(7,725)
Interest income	110	118	219	125
Income before income taxes	5,682	9,589	10,199	13,373
Income tax expense	(2,119)	(3,872)	(4,018)	(5,386)
Income (loss) before equity in net income (loss) of nonconsolidated affiliate	3,563	5,717	6,181	7,987
Equity in net income (loss) of nonconsolidated affiliate, net of tax	(68)		(68)
Net income	$ 3,495	$ 5,717	$ 6,113	$ 7,987
Basic and diluted earnings per share:
Net income per share, basic and diluted	$ 0.04	$ 0.06	$ 0.07	$ 0.09
Cash dividends declared per common share	$ 0.03	$ 0.03	$ 0.06	$ 0.06
Weighted average common shares outstanding, basic	90,354,982	89,134,412	90,296,057	89,015,934
Weighted average common shares outstanding, diluted	92,033,111	91,140,596	91,897,150	91,036,353