Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Revenue
Revenues	$ 10,428,000	$ 10,252,000
Costs and expenses
Salaries and employee benefits	8,655,000	8,197,000
Outside services	945,000	1,039,000
Postage and delivery expenses	204,000	217,000
Newsprint and printing expenses	176,000	212,000
Depreciation and amortization	153,000	1,218,000
Other general and administrative expenses	2,816,000	2,814,000
	12,949,000	13,697,000
Loss from operations	(2,521,000)	(3,445,000)
Other income (expense)
Dividends and interest income	1,530,000	1,483,000
Other income and capital gains	10,000	11,000
Net unrealized losses on investments	(28,640,000)
Loss before income taxes	(29,850,000)	(2,111,000)
Benefit from income taxes	8,317,000	16,850,000
Net (loss) income	$ (21,533,000)	$ 14,739,000
Weighted average number of common shares outstanding - basic and diluted (in shares)	1,380,746	1,380,746
Basic and diluted net (loss) income per share (in dollars per share)	$ (15.60)	$ 10.67
Comprehensive (loss) income
Net (loss) income	$ (21,533,000)	$ 14,739,000
Net increase in unrealized appreciation of marketable securities (net of taxes)		12,118,000
	(21,533,000)	26,857,000
Real Estate Bank Loan Secured by Logan Office [Member]
Other income (expense)
Interest expense on debt	(23,000)	(24,000)
Margin Account [Member]
Other income (expense)
Interest expense on debt	(206,000)	(136,000)
Advertising [Member]
Revenue
Revenues	2,192,000	2,116,000
Subscription and Circulation [Member]
Revenue
Revenues	1,338,000	1,363,000
Advertising Service Fees and Other [Member]
Revenue
Revenues	669,000	602,000
License and Maintenance [Member]
Revenue
Revenues	4,790,000	4,350,000
Consulting Fees [Member]
Revenue
Revenues	541,000	995,000
Service, Other [Member]
Revenue
Revenues	$ 898,000	$ 826,000