Consolidated Balance Sheets - USD ($)	Sep. 30, 2022	Sep. 30, 2021
Current assets
Cash and cash equivalents	$ 13,423,000	$ 12,596,000
Restricted cash	2,045,000	2,043,000
Marketable securities at fair value -- common stocks	275,529,000	347,573,000
Accounts receivable, less allowance for doubtful accounts of $250,000 at September 30, 2022 and 2021	16,931,000	9,524,000
Inventories	56,000	43,000
Prepaid expenses and other current assets	451,000	557,000
Income tax receivable	1,019,000
Total current assets	309,454,000	372,336,000
Property, plant and equipment, at cost
Land, buildings and improvements	16,330,000	16,499,000
Furniture, office equipment and computer software	1,688,000	1,688,000
Machinery and equipment	1,521,000	1,524,000
Property, Plant and Equipment, Gross, Ending Balance	19,539,000	19,711,000
Less accumulated depreciation	(9,986,000)	(9,706,000)
Property, Plant and Equipment, Net, Total	9,553,000	10,005,000
Operating lease right-of-use assets	104,000	215,000
Assets, Total	319,111,000	382,556,000
Current liabilities
Accounts payable	5,062,000	4,239,000
Accrued liabilities	7,066,000	6,052,000
Income tax payable		6,244,000
Note payable collateralized by real estate	146,000	147,000
Total current liabilities	33,619,000	34,012,000
Long term liabilities
Investment margin account borrowings	75,000,000	32,000,000
Note payable collateralized by real estate	1,285,000	1,431,000
Deferred maintenance agreements	370,000	995,000
Accrued liabilities	4,547,000	3,383,000
Deferred income taxes	25,273,000	56,094,000
Total long-term liabilities	106,475,000	93,903,000
Commitments and contingencies (Notes 4 and 5)
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 and 424,307 treasury shares, at September 30, 2022 and September 30, 2021, respectively	14,000	14,000
Additional paid-in capital	1,755,000	1,755,000
Retained earnings	177,248,000	252,872,000
Total shareholders' equity	179,017,000	254,641,000
Liabilities and Equity, Total	319,111,000	382,556,000
Subscription and Circulation [Member]
Current liabilities
Deferred revenue	2,679,000	2,694,000
Professional Fees [Member]
Current liabilities
Deferred revenue	6,394,000	5,498,000
License and Maintenance [Member]
Current liabilities
Deferred revenue	$ 12,272,000	$ 9,138,000