Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Advertising	$ 16,154,000	$ 10,949,000	$ 28,455,000	$ 22,685,000
Costs and expenses
Salaries and employee benefits	10,005,000	8,847,000	19,636,000	17,324,000
Decrease to the long-term supplemental compensation accrual	(200,000)	(1,920,000)	(720,000)	(2,050,000)
Agency commissions	233,000	232,000	444,000	440,000
Outside services	1,353,000	914,000	2,442,000
Postage and delivery expenses	167,000	164,000	334,000	327,000
Newsprint and printing expenses	193,000	196,000	392,000	355,000
Depreciation and amortization	70,000	123,000	145,000	227,000
Equipment maintenance and software	354,000	378,000	657,000	618,000
Credit card merchant discount fees	455,000	409,000	880,000	820,000
Rent expenses	74,000	58,000	143,000	123,000
Accounting and legal fees	222,000	222,000	495,000	542,000
Other general and administrative expenses	1,603,000	953,000	2,698,000	1,692,000
Operating Expenses	14,529,000	10,576,000	27,546,000	22,256,000
Income from operations	1,625,000	373,000	909,000	429,000
Other income (expense)
Dividends and interest income	4,063,000	2,113,000	5,132,000	2,988,000
Realized losses on sales of marketable securities	0	(32,445,000)	422,000	14,249,000
Net unrealized gains (losses) on marketable securities	8,644,000	(8,321,000)	32,669,000	(44,409,000)
Income (loss) before income taxes	13,268,000	(38,443,000)	37,195,000	(27,005,000)
Income tax (provisions) benefits	(3,835,000)	10,630,000	(9,935,000)	6,070,000
Net income (loss)	$ 9,433,000	$ (27,813,000)	$ 27,260,000	$ (20,935,000)
Weighted average number of common shares outstanding - basic and diluted (in shares)	1,377,026	1,380,746	1,377,026	1,380,746
Basic and diluted net income (loss) per share (in dollars per share)	$ 6.85	$ (20.14)	$ 19.80	$ (15.16)
Comprehensive income (loss)	$ 9,433,000	$ (27,813,000)	$ 27,260,000	$ (20,935,000)
Margin Account [Member]
Other income (expense)
Interest expense on margin loans and others	(1,052,000)	(150,000)	(1,913,000)	(236,000)
Real Estate Bank Loan Secured by Logan Office [Member]
Other income (expense)
Interest expense on margin loans and others	(12,000)	(13,000)	(24,000)	(26,000)
Advertising [Member]
Advertising	2,204,000	2,129,000	4,194,000	4,130,000
Subscription and Circulation [Member]
Advertising	1,108,000	1,072,000	2,206,000	2,182,000
Advertising Service Fees and Other [Member]
Advertising	778,000	742,000	1,477,000	1,413,000
License and Maintenance [Member]
Advertising	5,679,000	4,608,000	10,074,000	9,088,000
Consulting Fees [Member]
Advertising	4,433,000	669,000	6,755,000	2,430,000
Service, Other [Member]
Advertising	$ 1,952,000	$ 1,729,000	$ 3,749,000	$ 3,442,000