Consolidated Balance Sheets (Unaudited) - USD ($)	Dec. 31, 2022	Sep. 30, 2022
Current assets
Cash and cash equivalents	$ 14,593,000	$ 13,423,000
Restricted cash	2,050,000	2,045,000
Marketable securities at fair value -- common stocks	307,151,000	275,529,000
Accounts receivable, less allowance for doubtful accounts of $250,000 at December 31, 2022 and September 30, 2022	11,378,000	16,931,000
Inventories	81,000	56,000
Income tax receivable	1,017,000
Prepaid expenses and other current assets	410,000	1,019,000
Total current assets	336,680,000	309,454,000
Property, plant and equipment, at cost
Land, buildings and improvements	16,362,000	16,330,000
Furniture, office equipment and computer software	1,692,000	1,688,000
Machinery and equipment	1,521,000	1,521,000
Property, Plant and Equipment, Gross, Ending Balance	19,575,000	19,539,000
Less accumulated depreciation	(10,061,000)	(9,986,000)
Property, Plant and Equipment, Net, Total	9,514,000	9,553,000
Operating lease right-of-use assets	77,000	104,000
Assets, Total	346,271,000	319,111,000
Current liabilities
Accounts payable	5,269,000	5,062,000
Accrued liabilities	4,200,000	7,066,000
Note payable collateralized by real estate	154,000	146,000
Total current liabilities	31,300,000	33,619,000
Long term liabilities
Investment margin account borrowings	81,011,000	75,000,000
Note payable collateralized by real estate	1,254,000	1,285,000
Deferred maintenance agreements and others	487,000	370,000
Accrued liabilities	4,005,000	4,547,000
Deferred income taxes	31,370,000	25,273,000
Total long-term liabilities	118,127,000	106,475,000
Commitments and contingencies (Notes 10 and 11)		0
Shareholders' equity
Preferred stock, $.01 par value, 5,000,000 shares authorized and no shares issued	0	0
Common stock, $.01 par value, 5,000,000 shares authorized; 1,805,053 shares issued, including 428,027 treasury shares at December 31, 2022 and September 30, 2022	14,000	14,000
Additional paid-in capital	1,755,000	1,755,000
Retained earnings	195,075,000	177,248,000
Total shareholders' equity	196,844,000	179,017,000
Liabilities and Equity, Total	346,271,000	319,111,000
Subscription and Circulation [Member]
Current liabilities
Deferred subscriptions	2,536,000	2,679,000
Professional Fees [Member]
Current liabilities
Deferred subscriptions	7,499,000	6,394,000
License and Maintenance [Member]
Current liabilities
Deferred subscriptions	$ 11,642,000	$ 12,272,000