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Condensed Consolidated Statements of Operations (Unaudited) - USD ($)
 3 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Net sales $ 18,969,000 $ 19,200,000
Cost of sales 12,849,000 13,483,000
Gross profit 6,120,000 5,717,000
Operating expenses:    
Engineering 852,000 682,000
Selling and general 5,091,000 4,979,000
Total operating expenses 5,943,000 5,661,000
Operating income 177,000 56,000
Other expense (193,000) (265,000)
Loss before provision for income taxes (16,000) (209,000)
Provision for income taxes 34,000 36,000
Consolidated net loss $ (50,000) $ (245,000)
Loss per share:    
Basic (in dollars per share) $ (0) $ (0.02)
Diluted (in dollars per share) $ (0) $ (0.02)
Weighted average shares outstanding:    
Basic (in shares) 10,736,090 10,560,922
Diluted (in shares) 10,736,090 10,560,922