Condensed Balance Sheets (Unaudited) - USD ($)	Apr. 30, 2020	Oct. 31, 2019
Current assets:
Cash and cash equivalents	$ 3,231,176	$ 2,714,764
Certificate of deposit	1,010,169	1,003,389
Accounts receivable, net of allowance for doubtful accounts of $6,000 at April 30, 2020 and $15,000 at October 31, 2019	733,214	644,915
Inventories	4,341,746	4,119,057
Prepaid expense and other current assets	216,641	77,858
Total current assets	9,532,946	8,559,983
Property, plant and equipment, at cost	4,413,356	4,336,733
Less: accumulated depreciation	3,133,313	3,026,513
Net property, plant and equipment	1,280,043	1,310,220
Other assets:
Deferred income taxes	161,122	161,122
Total other assets	161,122	161,122
TOTAL ASSETS	10,974,111	10,031,325
Current liabilities:
Accounts payable	607,938	329,618
Accrued liabilities	61,210	185,334
Customer deposits	1,066,764	656,569
Total current liabilities	1,735,912	1,171,521
Notes payable	626,466	0
Total liabilities	2,362,378	1,171,521
Stockholders' equity:
Preferred stock, par value $.0001, 10,000,000 shares authorized, none issued	0	0
Common stock, par value $.01, 25,000,000 shares authorized; 6,429,875 shares issued	64,299	64,299
Additional paid-in capital	6,419,687	6,419,687
Retained earnings	2,809,157	3,057,228
Total stockholders' equity before treasury stock	9,293,143	9,541,214
Less: Treasury stock, 1,245,980 shares, at cost	(681,410)	(681,410)
Total stockholders' equity	8,611,733	8,859,804
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 10,974,111	$ 10,031,325