Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities
Net income	$ 27,260,000	$ (20,935,000)
Adjustments to reconcile net income (loss) to net cash provided from operations
Depreciation and amortization	145,000	227,000
Net unrealized (gains) losses on marketable securities	(32,669,000)	44,409,000
Realized gains on sales of marketable securities	(422,000)	(14,249,000)
Stock dividends	(2,978,000)
Deferred income taxes	9,614,000	(9,119,000)
(Increase) decrease in current assets
Accounts receivable, net	3,416,000	2,191,000
Inventories	(42,000)	(8,000)
Prepaid expenses and other assets	25,000	(70,000)
Income tax receivable	269,000	(3,501,000)
Increase (decrease) in liabilities
Accounts payable	(643,000)	(280,000)
Accrued liabilities	(2,998,000)	(3,583,000)
Income tax payable		(6,244,000)
Net cash provided from (used in) operating activities	1,730,000	(13,126,000)
Cash flows from investing activities
Proceeds from sales of marketable securities	2,826,000	80,570,000
Purchases of marketable securities	(10,001,000)	(117,678,000)
Purchases of property, plant and equipment	(74,000)	(3,000)
Net cash used in investing activities	(7,249,000)	(37,111,000)
Cash flows from financing activities
Borrowing from margin loan account	6,011,000	43,014,000
Repayment of margin loan	11,000	14,000
Payment of real estate loan principal	(77,000)	(73,000)
Net cash provided from financing activities	5,923,000	42,927,000
Increase (decrease) in cash and restricted cash and cash equivalents	404,000	(7,310,000)
Cash and restricted cash and cash equivalents
Beginning of period	15,468,000	14,639,000
End of period	15,872,000	7,329,000
Interest paid during period	1,869,000	269,000
Net income taxes paid	52,000	12,794,000
Subscription and Circulation [Member]
Increase (decrease) in liabilities
Deferred subscriptions	(127,000)	(156,000)
Professional Fees [Member]
Increase (decrease) in liabilities
Deferred subscriptions	1,627,000	696,000
License and Maintenance [Member]
Increase (decrease) in liabilities
Deferred subscriptions	$ (747,000)	$ (2,504,000)