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Net Sales, Income (Loss) Before Provision for Income Taxes and Other Related Segment Information (Detail) (USD $)
 3 Months Ended 9 Months Ended
Jul. 31, 2012
Jul. 31, 2011
Jul. 31, 2012
Jul. 31, 2011
Segment Reporting Information [Line Items]        
Net sales $ 7,472,413 $ 4,947,753 $ 19,703,354 $ 13,479,610
Income (loss) before provision for income taxes 1,104,979 1,622 2,231,323 1,173,036
Depreciation and amortization 153,629 127,014 457,151 229,108
RF Connectors And Cable Assembly
        
Segment Reporting Information [Line Items]        
Net sales 3,870,502 3,273,835 10,391,099 10,144,053
Income (loss) before provision for income taxes 669,315 (98,849) 1,154,707 1,135,973
Depreciation and amortization 59,322 44,703 162,684 131,993
Cables Unlimited
        
Segment Reporting Information [Line Items]        
Net sales 2,727,791 909,277 6,007,569 909,277
Income (loss) before provision for income taxes 453,458 88,137 648,193 88,137
Depreciation and amortization 82,111 73,596 257,684 73,596
Medical Cabling and Interconnector
        
Segment Reporting Information [Line Items]        
Net sales 570,242 510,001 2,012,035 1,808,871
Income (loss) before provision for income taxes 116,380 120,609 555,702 426,509
Depreciation and amortization 10,508 8,251 31,525 22,303
RF Wireless
        
Segment Reporting Information [Line Items]        
Net sales 303,878 254,640 1,292,651 617,409
Income (loss) before provision for income taxes (137,566) (118,407) (142,898) (508,961)
Depreciation and amortization 1,688 464 5,258 1,216
Corporate
        
Segment Reporting Information [Line Items]        
Income (loss) before provision for income taxes $ 3,392 $ 10,132 $ 15,619 $ 31,378