Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Net sales	$ 21,505,000	$ 11,057,000	$ 38,423,000	$ 21,059,000
Cost of sales	15,425,000	6,287,000	28,259,000	13,683,000
Gross profit	6,080,000	4,770,000	10,164,000	7,376,000
Operating expenses:
Engineering	857,000	202,000	1,310,000	633,000
Selling and general	4,477,000	1,884,000	8,470,000	4,647,000
Total operating expenses	5,334,000	2,086,000	9,780,000	5,280,000
Operating income	746,000	2,684,000	384,000	2,096,000
Other (expense) income	(107,000)	2,809,000	(102,000)	2,800,000
Income before provision for income taxes	639,000	5,493,000	282,000	4,896,000
Provision for income taxes	136,000	648,000	56,000	454,000
Consolidated net income	$ 503,000	$ 4,845,000	$ 226,000	$ 4,442,000
Earnings per share:
Basic (in dollars per share)	$ 0.05	$ 0.49	$ 0.02	$ 0.45
Diluted (in dollars per share)	$ 0.05	$ 0.48	$ 0.02	$ 0.44
Weighted average shares outstanding:
Basic (in shares)	10,107,687	9,963,291	10,087,309	9,927,776
Diluted (in shares)	10,243,636	10,129,472	10,229,704	10,096,916