Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities
Net (loss) income	$ (30,797,000)	$ 114,319,000
Adjustments to reconcile net (loss) income to net cash (used in) provided from operations
Depreciation and amortization	301,000	344,000
Net unrealized losses (gains) on marketable securities	57,075,000	(131,754,000)
Realized gains on sales of marketable securities	(14,249,000)	(18,478,000)
Gains on sale of land	(272,000)
Deferred income taxes	(12,345,000)	38,556,000
(Increase) decrease in current assets
Accounts receivable, net	(1,170,000)	(3,288,000)
Inventories	(27,000)	(19,000)
Prepaid expenses and other assets	90,000	(16,000)
Income tax receivable	(3,950,000)	601,000
Increase (decrease) in liabilities
Accounts payable	168,000	96,000
Accrued liabilities	(794,000)	2,080,000
Income tax payable	(6,244,000)	375,000
Net cash (used in) provided from operating activities	(9,865,000)	22,000
Cash flows from investing activities
Proceeds from sales of marketable securities	80,570,000	20,002,000
Purchases of marketable securities	(117,678,000)	(39,995,000)
Sale of land	381,000
Purchases of property, plant and equipment	(14,000)	(29,000)
Net cash used in investing activities	(36,741,000)	(20,022,000)
Cash flows from financing activities
Payment to margin loan principal	(14,000)	(14,493,000)
Borrowing from margin loan account	43,014,000	17,000,000
Payment of real estate loan principal	(110,000)	(94,000)
Net cash provided from financing activities	42,890,000	2,413,000
Decrease in cash and restricted cash and cash equivalents	(3,716,000)	(17,587,000)
Cash and restricted cash and cash equivalents
Beginning of period	14,639,000	28,963,000
End of period	10,923,000	11,376,000
Interest paid during period	509,000	245,000
Net income taxes paid	12,801,000	580,000
Subscription and Circulation [Member]
Increase (decrease) in liabilities
Deferred subscriptions	106,000	(191,000)
Professional Fees [Member]
Increase (decrease) in liabilities
Deferred subscriptions	1,197,000	131,000
License and Maintenance [Member]
Increase (decrease) in liabilities
Deferred subscriptions	$ 1,046,000	$ (2,734,000)