Consolidated Balance Sheets (USD $)	Sep. 30, 2012	Sep. 30, 2011
Current assets:
Cash and cash equivalents	$ 3,361,000	$ 1,715,000
Marketable securities at fair value (Cost of $80,568,000 at September 30, 2012 and $76,275,000 at September 30, 2011)	81,375,000	72,486,000
Account receivable, less allowance for doubtful accounts of $368,000 at September 30,2012 and $582,000 at September 30, 2011	1,206,000	1,573,000
Costs and estimated earnings in excess of billings	3,448,000	4,450,000
Inventories, net	11,918,000	12,878,000
Deferred income taxes		690,000
Prepaid expenses	782,000	1,632,000
Total current assets	102,090,000	95,424,000
Property and equipment, net	8,127,000	8,349,000
Other assets	95,000	602,000
Total Assets	110,312,000	104,375,000
Current Liabilities:
Accounts payable	1,881,000	1,978,000
Customer deposits	480,000	756,000
Accrued expenses	3,517,000	2,842,000
Total current liabilities	5,878,000	5,576,000
Deferred and other income taxes	974,000
Total liabilities	6,852,000	5,576,000
Commitments and contingencies
Shareholders' equity:
Preferred stock, par value $.10 per share; 300,000 shares authorized; none issued
Common stock	801,000	801,000
Capital in excess of par value	10,049,000	9,860,000
Retained earnings	92,459,000	87,987,000
Total shareholders' equity	103,460,000	98,799,000
Total Liabilities and Shareholders' Equity	110,312,000	104,375,000
Class B Stock
Shareholders' equity:
Common stock	$ 151,000	$ 151,000