Revenue (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

The following table presents revenues disaggregated by revenue source:

	Three Months Ended March 31,
	2018		2017
	(in thousands)
Types of Revenue
Broadcast Advertising Revenue, net	$	25,758	$	24,071
Digital Advertising Revenue		950		880
Other Revenue		1,301		1,204
Net Revenue	$	28,009	$	26,155