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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jul. 31, 2018
Jul. 31, 2017
Jul. 31, 2018
Jul. 31, 2017
Net sales $ 13,850 $ 7,808 $ 46,571 $ 22,065
Cost of sales 9,294 5,592 30,858 16,038
Gross profit 4,556 2,216 15,713 6,027
Operating expenses:        
Engineering 292 215 1,255 643
Selling and general 2,121 1,817 7,745 5,493
Total operating expense 2,413 2,032 9,000 6,136
Operating income (loss) 2,143 184 6,713 (109)
Other income 13 5 20 23
Income (loss) from continuing operations before provision (benefit) for income taxes 2,156 189 6,733 (86)
Provision (benefit) for income taxes 425 18 1,344 (54)
Income (loss) from continuing operations 1,731 171 5,389 (32)
Income from discontinued operations, net of tax 0 21 0 109
Consolidated net income $ 1,731 $ 192 $ 5,389 $ 77
Earnings per share        
Continuing operations $ 0.19 $ 0.02 $ 0.60 $ 0.00
Discontinued operations 0.00 0.00 0.00 0.01
Net income per share 0.19 0.02 0.60 0.01
Earnings per share        
Continuing operations 0.18 0.02 0.57 0.00
Discontinued operations 0.00 0.00 0.00 0.01
Net income per share $ 0.18 $ 0.02 $ 0.57 $ 0.01
Weighted average shares outstanding        
Basic 9,202,095 8,838,027 9,045,340 8,835,852
Diluted 9,729,608 8,915,794 9,442,612 8,886,395