Segment Information - Schedule of Results of Operations of Business Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
NET REVENUES	$ 55,493	$ 39,261
Operating expenses excluding depreciation and amortization expense	37,724	32,344
Corporate expenses	8,434	4,338
Depreciation and amortization	3,925	4,081
(Gain) loss on disposal of assets	(47)	197
OPERATING INCOME (LOSS)	5,457	(1,699)
Total Assets	148,210	146,351
All Other
Segment Reporting Information [Line Items]
Corporate expenses	8,434	4,338
OPERATING INCOME (LOSS)	(8,434)	(4,338)
Radio | Operating Segments
Segment Reporting Information [Line Items]
NET REVENUES	41,727	26,020
Operating expenses excluding depreciation and amortization expense	28,667	22,827
Depreciation and amortization	667	893
OPERATING INCOME (LOSS)	12,393	2,300
Total Assets	90,485	84,219
Outdoor Advertising | Operating Segments
Segment Reporting Information [Line Items]
NET REVENUES	13,766	13,241
Operating expenses excluding depreciation and amortization expense	9,057	9,517
Depreciation and amortization	3,258	3,188
(Gain) loss on disposal of assets	(47)	197
OPERATING INCOME (LOSS)	1,498	339
Total Assets	$ 57,725	$ 62,132