CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
CONSOLIDATED STATEMENTS OF INCOME
Net operating revenue	$ 95,813,000	$ 123,072,000	$ 124,829,000
Operating expenses :
Station operating expenses	81,586,000	92,692,000	93,727,000
Corporate general and administrative	11,574,000	11,460,000	11,359,000
Other operating (income) expense, net	(1,247,000)	112,000	61,000
Impairment of intangible assets, broadcast licenses	5,149,000	0	0
Operating Expenses, Total	97,062,000	104,264,000	105,147,000
Operating income (loss)	(1,249,000)	18,808,000	19,682,000
Interest expense	340,000	735,000	946,000
Interest income	(148,000)	(610,000)	(631,000)
Other (income) expenses	(233,000)	(16,000)	(23,000)
Income (loss) before income tax (benefit) expense	(1,208,000)	18,699,000	19,390,000
Income tax provision:
Current	1,250,000	4,000,000	3,040,000
Deferred	(545,000)	1,420,000	2,660,000
Income tax (benefit) expense	705,000	5,420,000	5,700,000
Net income (loss)	$ (1,913,000)	$ 13,279,000	$ 13,690,000
Basic earnings per share:
Basic earnings (loss) per share	$ (0.32)	$ 2.23	$ 2.30
Diluted earnings (loss) per share
Diluted earning (loss) per share	$ (0.32)	$ 2.23	$ 2.30
Weighted average common shares	5,871	5,834	5,829
Weighted average common and common equivalent shares	5,871	5,834	5,829
Dividends declared per share	$ 0.32	$ 1.20	$ 1.45