Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities
Net income (loss)	$ 21,452,000	$ (75,624,000)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation and amortization	279,000	379,000
Unrealized (gains) losses on marketable securities	(17,024,000)	123,401,000
Gains on sales of marketable securities, net	(422,000)	(14,249,000)
Gains on sale of land		(272,000)
Stock dividends	(2,978,000)
Deferred income taxes	5,326,000	(30,821,000)
(Increase) decrease in current assets
Accounts receivable, net	(1,756,000)	(7,407,000)
Inventories	(16,000)	(13,000)
Prepaid expenses and other assets	80,000	217,000
Income tax receivable	1,019,000	(1,019,000)
Accounts payable	1,581,000	823,000
Accrued liabilities	1,650,000	2,178,000
Income tax payable		(6,244,000)
Net cash provided from (used in) operating activities	15,084,000	(5,261,000)
Cash flows from investing activities
Sales of marketable securities	2,826,000	80,570,000
Purchases of marketable securities	(10,001,000)	(117,678,000)
Sale of land		381,000
Purchases of property, plant and equipment, net	86,000	36,000
Net cash used in investing activities	(7,261,000)	(36,763,000)
Cash flows from financing activities
Proceeds from margin loan borrowing	6,011,000	43,014,000
Payment to margin loan borrowing	(6,011,000)	(14,000)
Payment of real estate loan principal	(153,000)	(147,000)
Net cash (used in) provided by financing activities	(153,000)	42,853,000
Increase in cash and cash equivalents and restricted cash	7,670,000	829,000
Cash and cash equivalents and restricted cash
Beginning of period	15,468,000	14,639,000
End of year	23,138,000	15,468,000
Interest paid during period	4,269,000	1,053,000
Income taxes paid during year	806,000	11,140,000
Subscription and Circulation [Member]
(Increase) decrease in current assets
Deferred liability	(1,000)	(15,000)
Professional Fees [Member]
(Increase) decrease in current assets
Deferred liability	(566,000)	896,000
License and Maintenance [Member]
(Increase) decrease in current assets
Deferred liability	$ 5,391,000	$ 2,509,000