Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Segment reporting information
Net operating revenue	$ 33,831	$ 34,373	$ 97,250	$ 97,627
Station operating expenses	24,324	26,366	71,400	72,812
Corporate general and administrative	2,577	2,307	7,642	6,580
Other operating expense	433	0	447	0
Operating income (loss)	6,497	5,700	17,761	18,235
Depreciation and amortization	1,731	1,672	4,926	4,957
Total assets	204,162	204,515	204,162	204,515	$ 192,044
Radio [Member]
Segment reporting information
Net operating revenue	28,536	29,400	81,829	83,176
Station operating expenses	20,825	23,082	61,006	63,021
Corporate general and administrative	0	0	0	0
Other operating expense	400	0	414	0
Operating income (loss)	7,311	6,318	20,349	20,155
Depreciation and amortization	1,295	1,245	3,676	3,711
Total assets	151,708	144,650	151,708	144,650
Television [Member]
Segment reporting information
Net operating revenue	5,295	4,973	15,421	14,451
Station operating expenses	3,499	3,284	10,334	9,791
Corporate general and administrative	0	0	0	0
Other operating expense	33	0	33	0
Operating income (loss)	1,763	1,689	5,054	4,660
Depreciation and amortization	347	350	1,016	1,041
Total assets	23,131	22,242	23,131	22,242
Corporate and Other [Member]
Segment reporting information
Net operating revenue	0	0	0	0
Station operating expenses	0	0	0	0
Corporate general and administrative	2,577	2,307	7,642	6,580
Other operating expense	0	0	0	0
Operating income (loss)	(2,577)	(2,307)	(7,642)	(6,580)
Depreciation and amortization	89	77	234	205
Total assets	$ 29,323	$ 37,623	$ 29,323	$ 37,623