Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022
Net sales	$ 22,298,000	$ 21,505,000	$ 40,642,000	$ 38,423,000
Cost of sales	16,178,000	15,425,000	29,435,000	28,259,000
Gross profit	6,120,000	6,080,000	11,207,000	10,164,000
Operating expenses:
Engineering	882,000	857,000	1,845,000	1,310,000
Selling and general	4,749,000	4,477,000	10,042,000	8,470,000
Total operating expenses	5,631,000	5,334,000	11,887,000	9,780,000
Operating loss	489,000	746,000	(680,000)	384,000
Other (expense) income	(72,000)	(107,000)	(225,000)	(102,000)
Loss before provision for income taxes	417,000	639,000	(905,000)	282,000
Benefit from income taxes	(164,000)	136,000	(324,000)	56,000
Consolidated net loss	$ 581,000	$ 503,000	$ (581,000)	$ 226,000
Loss per share:
Basic (in dollars per share)	$ 0.06	$ 0.05	$ (0.06)	$ 0.02
Diluted (in dollars per share)	$ 0.06	$ 0.05	$ (0.06)	$ 0.02
Weighted average shares outstanding:
Basic (in shares)	10,290,911	10,107,687	10,256,158	10,087,309
Diluted (in shares)	10,327,271	10,243,636	10,256,158	10,229,704