Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income	$ 9,500,000	$ 9,202,000	$ 11,157,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,055,000	5,171,000	5,749,000
Deferred income tax expense	385,000	935,000	195,000
Amortization of deferred costs	36,000	10,000	37,000
Compensation expense related to restricted stock awards	1,116,000	1,858,000	1,335,000
Loss on sale of assets, net	120,000	(14,000)	7,000
(Gain) on insurance claims		(534,000)	(589,000)
Other (gain) loss, net	(119,000)	(118,000)	(45,000)
Barter (revenue) expense, net	50,000	46,000	(2,000)
Deferred and other compensation	(100,000)	1,425,000	(215,000)
Changes in assets and liabilities:
(Increase) decrease in receivables and prepaid expenses	(1,303,000)	(1,135,000)	507,000
Increase (decrease) in accounts payable, accrued expenses, and other liabilities	639,000	279,000	968,000
Total adjustments	5,879,000	7,923,000	7,947,000
Net cash provided by operating activities	15,379,000	17,125,000	19,104,000
Cash flows from investing activities:
Purchase of short-term investments	(20,728,000)	(18,000,000)
Redemption of short-term investments	20,723,000	8,000,000
Acquisition of property and equipment (Capital Expenditures)	(4,356,000)	(5,994,000)	(3,969,000)
Acquisition of broadcast properties		(57,000)	(150,000)
Proceeds from sale and disposal of assets	1,747,000	411,000	142,000
Proceeds from insurance claims		534,000	589,000
Other investing activities	117,000	116,000	40,000
Net cash used in investing activities	(2,497,000)	(14,990,000)	(3,348,000)
Cash flows from financing activities:
Payments on long-term debt			(10,000,000)
Cash dividends paid	(19,875,000)	(19,785,000)	(1,914,000)
Payments for debt issuance costs		(161,000)
Purchase of treasury shares	(227,000)	(147,000)	(435,000)
Net cash used in financing activities	(20,102,000)	(20,093,000)	(12,349,000)
Net increase (decrease) in cash and cash equivalents	(7,220,000)	(17,958,000)	3,407,000
Cash and cash equivalents, beginning of period	36,802,000	54,760,000	51,353,000
Cash and cash equivalents, end of period	$ 29,582,000	$ 36,802,000	$ 54,760,000