CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands			12 Months Ended
	Sep. 28, 2021	Jun. 18, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net operating revenue			$ 114,893,000	$ 108,343,000	$ 95,813,000
Operating expenses:
Station operating expense			87,537,000	83,245,000	81,586,000
Corporate general and administrative			14,300,000	10,040,000	11,574,000
Other operating (income) expense, net			(14,000)	7,000	(1,247,000)
Impairment of intangible assets					5,149,000
Operating Expenses			101,823,000	93,292,000	97,062,000
Operating income (loss)			13,070,000	15,051,000	(1,249,000)
Interest expense			130,000	284,000	340,000
Interest income			(410,000)	(16,000)	(148,000)
Other income			(652,000)	(634,000)	(233,000)
Income (loss) before income tax expense (benefit)			14,002,000	15,417,000	(1,208,000)
Income tax provision (benefit):
Current			3,865,000	4,065,000	1,250,000
Deferred			935,000	195,000	(545,000)
Income tax provision (benefit)			4,800,000	4,260,000	705,000
Net income (loss)			$ 9,202,000	$ 11,157,000	$ (1,913,000)
Earnings per share:
Basic earnings (loss) per share			$ 1.52	$ 1.85	$ (0.32)
Diluted earnings (loss) per share
Diluted earnings (loss) per share			$ 1.52	$ 1.85	$ (0.32)
Weighted average common shares			5,973	5,917	5,871
Weighted average common and common equivalent shares			5,973	5,917	5,871
Dividends declared per share			$ 4.86	$ 0.98	$ 0.32
Common Class A and Common Class B
Diluted earnings (loss) per share
Dividends declared per share	$ 0.16	$ 0.16