Consolidated Balance Sheets (Unaudited) - USD ($)	Dec. 31, 2021	Sep. 30, 2021
Current assets
Cash and cash equivalents	$ 12,793,000	$ 12,596,000
Restricted cash	2,044,000	2,043,000
Marketable securities at fair value -- common stocks	395,284,000	347,573,000
Accounts receivable, less allowance for doubtful accounts of $250,000 at December 31, 2021 and September 30, 2021	7,175,000	9,524,000
Inventories	55,000	43,000
Prepaid expenses and other current assets	523,000	557,000
Total current assets	417,874,000	372,336,000
Property, plant and equipment, at cost
Land, buildings and improvements	16,499,000	16,499,000
Furniture, office equipment and computer software	1,688,000	1,688,000
Machinery and equipment	1,524,000	1,524,000
Property, Plant and Equipment, Gross, Ending Balance	19,711,000	19,711,000
Less accumulated depreciation	(9,810,000)	(9,706,000)
Property, Plant and Equipment, Net, Ending Balance	9,901,000	10,005,000
Operating lease right-of-use assets	184,000	215,000
Deferred income taxes	8,048,000	8,021,000
Assets, Total	436,007,000	390,577,000
Current liabilities
Accounts payable	3,704,000	4,239,000
Accrued liabilities	3,729,000	6,052,000
Income tax payable	18,771,000	6,244,000
Note payable collateralized by real estate	149,000	147,000
Total current liabilities	44,023,000	34,012,000
Long term liabilities
Investment margin account borrowings	69,014,000	32,000,000
Note payable collateralized by real estate	1,393,000	1,431,000
Deferred maintenance agreements and others	656,000	995,000
Accrued liabilities	3,227,000	3,383,000
Deferred income taxes	56,175,000	64,115,000
Total long term liabilities	130,465,000	101,924,000
Commitments and contingencies (Notes 9 and 10)
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 424,307 treasury shares, at December 31, 2021 and September 30, 2021	14,000	14,000
Additional paid-in capital	1,755,000	1,755,000
Retained earnings	259,750,000	252,872,000
Total shareholders' equity	261,519,000	254,641,000
Liabilities and Equity, Total	436,007,000	390,577,000
Subscription and Circulation [Member]
Current liabilities
Deferred revenue	2,605,000	2,694,000
Professional Fees [Member]
Current liabilities
Deferred revenue	6,404,000	5,498,000
License and Maintenance [Member]
Current liabilities
Deferred revenue	$ 8,661,000	$ 9,138,000