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Condensed Consolidated Balance Sheets - USD ($)
Mar. 31, 2022
Sep. 30, 2021
Current assets:    
Cash and cash equivalents $ 22,571,000 $ 23,232,000
Marketable securities at fair value (cost of $94,746,000 at March 31, 2022 and $93,690,000 at September 30, 2021) 94,501,000 94,976,000
Accounts receivable, less allowance for doubtful accounts of $349,000 at March 31, 2022 and $321,000 at September 30, 2021 3,924,000 2,622,000
Costs and estimated earnings in excess of billings 1,629,000 1,903,000
Inventories, net 47,222,000 41,888,000
Prepaid expenses and other current assets 3,756,000 2,202,000
Total current assets 173,603,000 166,823,000
Property and equipment, net 12,205,000 11,801,000
Other long-term assets 711,000 838,000
Total Assets 186,519,000 179,462,000
Current liabilities:    
Accounts payable 5,741,000 3,105,000
Customer deposits 10,286,000 5,244,000
Accrued expenses 2,442,000 2,645,000
Current operating lease liabilities 407,000 393,000
Total current liabilities 18,876,000 11,387,000
Deferred and other income taxes 0 394,000
Non-current operating lease liabilities 189,000 392,000
Total liabilities 19,065,000 12,173,000
Commitments and contingencies
Shareholders' equity:    
Preferred stock, par value $.10 per share; 300,000 shares authorized; none issued
Capital in excess of par value 12,590,000 12,590,000
Retained earnings 153,398,000 153,233,000
Total shareholders' equity 167,454,000 167,289,000
Total Liabilities and Shareholders' Equity 186,519,000 179,462,000
Common Stock [Member]    
Shareholders' equity:    
Common stock 1,234,000 1,234,000
Class B Stock [Member]    
Shareholders' equity:    
Common stock $ 232,000 $ 232,000