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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Apr. 30, 2013
Apr. 30, 2012
OPERATING ACTIVITIES:    
Consolidated net income $ 2,660 $ 720
Adjustments to reconcile consolidated net income to net cash provided by operating activities:    
Bad debt (recovery) expense 17 (6)
Depreciation and amortization 320 304
Stock-based compensation expense 107 121
Excess tax benefit from stock-based compensation (458) (61)
Changes in operating assets and liabilities (net of effects of deconsolidation of VIE on January 25, 2012):    
Restricted cash 0 4
Trade accounts receivable 160 (496)
Inventories (327) (259)
Other current assets (6) (26)
Other long-term assets 3 0
Accounts payable (747) 481
Customer deposit 51 0
Income taxes prepaid (payable) (144) 384
Accrued expenses 123 (290)
Other long-term liabilities (10) (17)
Net cash provided by operating activities 1,749 859
INVESTING ACTIVITIES:    
Maturity of certificates of deposit 0 3,346
Capital expenditures (63) (446)
Net cash provided by (used in) investing activities (63) 2,900
FINANCING ACTIVITIES:    
Proceeds from exercise of stock options 2,094 76
Purchases of treasury stock 0 (1,143)
Excess tax benefit from exercise of stock options 458 60
Principal payments on long-term debt 0 (5)
Dividends paid (1,244) (695)
Net cash provided by (used in) financing activities 1,308 (1,707)
Net increase in cash and cash equivalents 2,994 2,052
Cash and cash equivalents, beginning of period 5,492 1,761
Cash and cash equivalents, end of period 8,486 3,813
Supplemental cash flow information - income taxes paid 1,186 0
Supplemental schedule of noncash investing and financing activities:    
Retirement of treasury stock 0 1,143
Assets and liabilities of VIE as of January 25, 2012:    
Other current assets 646  
Property and equipment, net 1,057  
Other assets, net 32  
Mortgages payable 51  
Net equity 24,305  
Variable Interest Entity
    
Assets and liabilities of VIE as of January 25, 2012:    
Restricted cash   62
Other current assets   24
Property and equipment, net   1,468
Other assets, net   70
Mortgages payable   1,408
Net equity   $ 215