Consolidated Statements of Comprehensive Income (Loss) - USD ($)	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Revenue
Revenues	$ 49,942,000	$ 48,655,000
Costs and expenses
Salaries and employee benefits	37,802,000	35,014,000
Outside services	3,428,000	3,874,000
Postage and delivery expenses	712,000	838,000
Newsprint and printing expenses	699,000	727,000
Depreciation and amortization	524,000	589,000
Goodwill impairment	0	13,400,000
Equipment maintenance and software	1,268,000	1,516,000
Credit card merchant discount fees	1,393,000	1,409,000
Rent expenses	612,000	1,017,000
Accounting and legal fees	939,000	1,605,000
Other general and administrative expenses	3,848,000	6,890,000
Total operating expenses	51,225,000	66,879,000
Loss from operations	(1,283,000)	(18,224,000)
Other income (expenses)
Dividends and interest income	4,965,000	5,380,000
Other income	3,000	38,000
Net unrealized losses on investments	(3,099,000)	(17,715,000)
Gains on sales of marketable securities, net	4,193,000	0
Income (loss) before taxes	4,226,000	(31,476,000)
(Provision for) benefit from income taxes	(185,000)	6,260,000
Net income (loss)	$ 4,041,000	$ (25,216,000)
Weighted average number of common shares outstanding – basic and diluted (in shares)	1,380,746	1,380,746
Basic and diluted net income (loss) per share (in dollars per share)	$ 2.93	$ (18.26)
Real Estate Bank Loan Secured by Logan Office [Member]
Other income (expenses)
Interest expense on debt	$ (119,000)	$ (93,000)
Margin Account [Member]
Other income (expenses)
Interest expense on debt	(434,000)	(862,000)
Advertising [Member]
Revenue
Revenues	7,104,000	9,132,000
Subscription and Circulation [Member]
Revenue
Revenues	5,090,000	5,249,000
Advertising Service Fees and Other [Member]
Revenue
Revenues	2,501,000	2,712,000
License and Maintenance [Member]
Revenue
Revenues	21,647,000	20,179,000
Consulting Fees [Member]
Revenue
Revenues	7,718,000	5,539,000
Service, Other [Member]
Revenue
Revenues	$ 5,882,000	$ 5,844,000