Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities
Net income	$ 6,878,000	$ 59,270,000
Adjustments to reconcile net income to net cash provided by (used in) operations
Depreciation and amortization	104,000	115,000
Net unrealized losses (gains) on marketable securities	36,088,000	(81,212,000)
Realized gains on sales of marketable securities	(46,694,000)	0
Deferred income taxes	(7,967,000)	22,172,000
(Increase) decrease in current assets
Accounts receivable, net	2,349,000	(128,000)
Inventories	(12,000)	9,000
Prepaid expenses and other assets	3,000	131,000
Income tax receivable		4,000
Increase (decrease) in liabilities
Accounts payable	(535,000)	(243,000)
Accrued liabilities	(2,417,000)	(1,324,000)
Income tax payable	12,527,000	(315,000)
Net cash provided from (used in) operating activities	325,000	(2,783,000)
Cash flows from investing activities
Proceeds from sales of marketable securities	50,020,000
Purchases of marketable securities	(87,125,000)
Net cash used in investing activities	(37,105,000)
Cash flows from financing activities
Payment to margin loan principal		(14,493,000)
Borrowing from margin loan account	37,014,000	0
Payment of real estate loan principal	(36,000)	(23,000)
Net cash provided from (used in) financing activities	36,978,000	(14,516,000)
Increase (decrease) in cash and restricted cash and cash equivalents	198,000	(17,299,000)
Cash and restricted cash and cash equivalents
Beginning of period	14,639,000	28,963,000
End of period	14,837,000	11,664,000
Interest paid during period	92,000	90,000
Net income taxes paid	0	5,000
Subscription and Circulation [Member]
Increase (decrease) in liabilities
Deferred subscriptions	(89,000)
Professional Fees [Member]
Increase (decrease) in liabilities
Deferred subscriptions	906,000	55,000
License and Maintenance [Member]
Increase (decrease) in liabilities
Deferred subscriptions	$ (816,000)	$ (1,317,000)