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Segment information - Net sales, income (loss) before provision for income taxes and other related segment information (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018
Segment Reporting Information [Line Items]
Net sales	$ 55,325	$ 50,196
Income from continuing operations before provision for income taxes	4,557	7,494
Depreciation and amortization	563	513
Total assets	37,700	32,502
RF Connector and Cable Assembly
Segment Reporting Information [Line Items]
Net sales	13,704	11,846
Income from continuing operations before provision for income taxes	868	107
Depreciation and amortization	170	172
Total assets	7,081	6,529
Custom Cabling Manufacturing and Assembly
Segment Reporting Information [Line Items]
Net sales	41,621	38,350
Income from continuing operations before provision for income taxes	3,591	7,340
Depreciation and amortization	393	341
Total assets	17,282	8,763
Corporate
Segment Reporting Information [Line Items]
Net sales	0	0
Income from continuing operations before provision for income taxes	98	47
Depreciation and amortization	0	0
Total assets	$ 13,337	$ 17,210

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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