Consolidated Statements of (Loss) Income and Comprehensive (Loss) Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Revenues
Revenue from Contract with Customer, Including Assessed Tax	$ 10,717,000	$ 13,970,000	$ 22,245,000	$ 24,390,000
Costs and expenses
Salaries and employee benefits	8,847,000	8,896,000	17,324,000	17,038,000
(Decrease) increase to the long-term supplemental compensation accrual	(1,920,000)	1,005,000	(2,050,000)	755,000
(Decrease) increase to the long-term supplemental compensation accrual	1,920,000	(1,005,000)	2,050,000	(755,000)
Outside services	914,000	719,000	1,838,000	1,442,000
Postage and delivery expenses	164,000	161,000	327,000	330,000
Newsprint and printing expenses	196,000	153,000	355,000	307,000
Depreciation and amortization	124,000	115,000	228,000	230,000
Equipment maintenance and software	378,000	395,000	618,000	648,000
Credit card merchant discount fees	409,000	485,000	820,000	935,000
Rent expenses	58,000	90,000	123,000	162,000
Accounting and legal fees	222,000	144,000	542,000	494,000
Other general and administrative expenses	952,000	502,000	1,691,000	1,059,000
Total operating expenses	10,344,000	12,665,000	21,816,000	23,400,000
Income from operations	373,000	1,305,000	429,000	990,000
Other income (expense)
Dividends and interest income	2,113,000	649,000	2,988,000	1,287,000
Realized (losses) gains on sales of marketable securities	(32,445,000)	18,478,000	14,249,000	18,478,000
Net unrealized losses on marketable securities	(8,321,000)	(5,144,000)	(44,409,000)	76,068,000
(Loss) income before income taxes	(38,443,000)	15,211,000	(27,005,000)	96,661,000
Income tax benefits (provisions)	10,630,000	(2,735,000)	6,070,000	(24,915,000)
Net (loss) income	$ (27,813,000)	$ 12,476,000	$ (20,935,000)	$ 71,746,000
Weighted average number of common shares outstanding - basic and diluted (in shares)	1,380,746	1,380,746	1,380,746	1,380,746
Basic and diluted net (loss) income per share (in dollars per share)	$ (20.14)	$ 9.04	$ (15.16)	$ 51.96
Comprehensive (loss) income	$ (27,813,000)	$ 12,476,000	$ (20,935,000)	$ 71,746,000
Net unrealized losses (gains) on marketable securities	8,321,000	5,144,000	44,409,000	(76,068,000)
Margin Account [Member]
Other income (expense)
Interest expense on debt	(150,000)	(64,000)	(236,000)	(128,000)
Real Estate Bank Loan Secured by Logan Office [Member]
Costs and expenses
(Decrease) increase to the long-term supplemental compensation accrual	(1,920,000)	1,005,000
(Decrease) increase to the long-term supplemental compensation accrual	1,920,000	(1,005,000)
Other income (expense)
Interest expense on debt	(13,000)	(13,000)	(26,000)	(34,000)
Advertising [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	1,896,000	1,762,000	3,690,000	3,454,000
Subscription and Circulation [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	1,072,000	1,129,000	2,182,000	2,332,000
Advertising Service Fees and Other [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	743,000	568,000	1,413,000	1,202,000
License and Maintenance [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	4,608,000	6,355,000	9,088,000	11,388,000
Consulting Fees [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	669,000	2,305,000	2,430,000	2,549,000
Service, Other [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	$ 1,729,000	$ 1,851,000	$ 3,442,000	$ 3,465,000