Consolidated Statements and Comprehensive (Loss) Income - USD ($)	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Revenues
Revenue from Contract with Customer, Including Assessed Tax	$ 54,009,000	$ 49,925,000
Costs and expenses
Salaries and employee benefits	36,935,000	34,230,000
Increase to the long-term supplemental compensation accrual	1,245,000	1,835,000
Agency commissions	905,000	536,000
Outside services	4,001,000	3,084,000
Postage and delivery expenses	668,000	654,000
Newsprint and printing expenses	739,000	625,000
Depreciation and amortization	379,000	480,000
Equipment maintenance and software	1,029,000	1,039,000
Credit card merchant discount fees	1,679,000	1,831,000
Rent expenses	249,000	286,000
Accounting and legal fees	833,000	937,000
Other general and administrative expenses	3,358,000	2,236,000
Total operating expenses	52,020,000	47,773,000
Income from operations	1,989,000	2,152,000
Other income (expenses)
Dividends and interest income	5,451,000	2,908,000
Other income		69,000
Net unrealized (losses) gains on investments	(123,401,000)	106,499,000
Gains on land sale	272,000
Gains on sales of marketable securities, net	14,249,000	41,749,000
(Loss) income before taxes	(102,549,000)	153,050,000
Benefit (provision) for income taxes	26,925,000	(40,150,000)
Net (loss) income	$ (75,624,000)	$ 112,900,000
Weighted average number of common shares outstanding – basic and diluted (in shares)	1,379,655	1,380,746
Basic and diluted net (loss) income per share (in dollars per share)	$ (54.81)	$ 81.77
Real Estate Bank Loan Secured by Logan Office [Member]
Other income (expenses)
Interest expense on debt	$ (83,000)	$ (94,000)
Margin Account [Member]
Other income (expenses)
Interest expense on debt	(1,026,000)	(233,000)
Advertising [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	8,591,000	8,171,000
Subscription and Circulation [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	4,394,000	4,576,000
Advertising Service Fees and Other [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	2,937,000	2,684,000
License and Maintenance [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	19,192,000	21,044,000
Consulting Fees [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	11,865,000	6,319,000
Service, Other [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	$ 7,030,000	$ 7,131,000