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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
 12 Months Ended
Oct. 31, 2011
Oct. 31, 2010
Operating activities:    
Net income $ 773,011 $ 1,220,247
Adjustments to reconcile net income to net cash provided by operating activities:    
Bad debt expense 15,626 15,279
Depreciation and amortization 391,633 214,266
Goodwill impairment   137,328
Inventory write-downs 92,675 247,539
Deferred income taxes 16,940 (166,600)
Stock based compensation expense 312,311 231,000
Excess tax benefit from stock based compensation (312,325) (78,235)
Changes in operating assets and liabilities:    
Restricted cash (4,451)  
Trade accounts receivable 750,531 (309,835)
Inventories (1,228,728) 129,539
Income taxes prepaid (payable) (384,226) 127,010
Other current assets (43,432) (107,825)
Other long-term assets   (882)
Accounts payable (302,843) 312,876
Accrued expenses 210,645 554,590
Other long-term liabilities (164,523) (23,641)
Net cash provided by operating activities 122,844 2,502,656
Investing activities:    
Acquisition of business (Cables Unlimited) (2,800,000)  
Purchase of certificates of deposit (4,647,540) (5,014,406)
Maturity of certificates of deposit 6,076,877 5,967,327
Capital expenditures (368,205) (151,850)
Net cash provided by (used in) investing activities (1,738,868) 801,071
Financing activities:    
Proceeds from exercise of stock options 981,753 205,108
Purchases of treasury stock (102,705)  
Excess tax benefit from stock based compensation 312,325 78,235
Principal payments on mortgages payable (14,446)  
Dividends paid (2,528,971) (84,113)
Net cash provided by (used in) financing activities (1,352,044) 199,230
Net increase (decrease) in cash and cash equivalents (2,968,068) 3,502,957
Cash and cash equivalents at beginning of year 4,728,884 1,225,927
Cash and cash equivalents at end of year 1,760,816 4,728,884
Supplemental cash flow information    
Income taxes paid 925,000 928,000
Interest paid 28,804  
Noncash investing and financing activities:    
Retirement of treasury stock 102,705  
Contingent liability
    
Noncash investing and financing activities:    
Stock issuance   10,001
Acquisition of business (Cables Unlimited)
    
Noncash investing and financing activities:    
Stock issuance $ 2,800,000