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Condensed Consolidated Statements of Operations (Unaudited) - USD ($)
 3 Months Ended
Jan. 31, 2025
Jan. 31, 2024
Net sales $ 19,200,000 $ 13,458,000
Cost of sales 13,483,000 10,155,000
Gross profit 5,717,000 3,303,000
Operating expenses:    
Engineering 682,000 769,000
Selling and general 4,979,000 4,619,000
Total operating expenses 5,661,000 5,388,000
Operating income (loss) 56,000 (2,085,000)
Other expense (265,000) (108,000)
Loss before provision (benefit) for income taxes (209,000) (2,193,000)
Provision (benefit) for income taxes 36,000 (831,000)
Consolidated net loss $ (245,000) $ (1,362,000)
Loss per share:    
Basic (in dollars per share) $ (0.02) $ (0.13)
Diluted (in dollars per share) $ (0.02) $ (0.13)
Weighted average shares outstanding:    
Basic (in shares) 10,560,922 10,410,580
Diluted (in shares) 10,560,922 10,410,580