Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities
Net income	$ 59,270,000	$ 14,210,000
Adjustments to reconcile net income to net cash used in operations
Depreciation and amortization	115,000	128,000
Net unrealized gains on marketable securities	(81,212,000)	(19,531,000)
Deferred income taxes	22,172,000	5,197,000
(Increase) decrease in current assets
Accounts receivable, net	(128,000)	(496,000)
Inventories	9,000	(9,000)
Prepaid expenses and other assets	61,000	(250,000)
Income tax receivable	4,000	81,000
Increase (decrease) in liabilities
Accounts payable	(243,000)	(663,000)
Accrued liabilities	(1,254,000)	(495,000)
Net cash used in operating activities	(2,783,000)	(3,126,000)
Cash flows from investing activities
Purchases of property, plant and equipment	0	(97,000)
Net cash used in investing activities	0	(97,000)
Cash flows from financing activities
Payment to margin loan principal	(14,493,000)	0
Payment of real estate loan principal	(23,000)	(31,000)
Net cash used in financing activities	(14,516,000)	(31,000)
Decrease in cash and restricted cash and cash equivalents	(17,299,000)	(3,254,000)
Cash and restricted cash and cash equivalents
Beginning of period	28,963,000	10,630,000
End of period	11,664,000	7,376,000
Interest paid during period	90,000	220,000
Net income taxes paid	5,000	1,000
Subscription and Circulation [Member]
Increase (decrease) in liabilities
Deferred revenue arrangements	(315,000)	(303,000)
Installation Contracts [Member]
Increase (decrease) in liabilities
Deferred revenue arrangements	0	80,000
Professional Fees [Member]
Increase (decrease) in liabilities
Deferred revenue arrangements	55,000	242,000
License and Maintenance [Member]
Increase (decrease) in liabilities
Deferred revenue arrangements	$ (1,317,000)	$ (1,317,000)