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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Apr. 30, 2017
Apr. 30, 2016
OPERATING ACTIVITIES:    
Net loss $ (115) $ (467)
Adjustments to reconcile net loss to net cash used in operating activities:    
Bad debt expense 10 0
Depreciation and amortization 434 528
Stock-based compensation expense 99 102
Loss on disposal of fixed assets 0 40
Deferred income taxes 24 0
Changes in operating assets and liabilities:    
Trade accounts receivable (404) (36)
Inventories (668) (599)
Other current assets (23) (684)
Other long-term assets 35 (136)
Accounts payable 772 (399)
Income taxes payable 0 396
Accrued expenses (595) (702)
Other long-term liabilities (107) 0
Net cash used in operating activities (538) (1,957)
INVESTING ACTIVITIES:    
Proceeds received on notes receivable from stockholder 0 67
Proceeds from sale of fixed assets 0 22
Proceeds from sale of inventory 0 322
Capital expenditures (26) (132)
Net cash provided by (used in) investing activities (26) 279
FINANCING ACTIVITIES:    
Proceeds from exercise of stock options 0 48
Purchase of treasury stock 0 (157)
Excess tax benefit from canceled stock options (24) 0
Dividends paid (353) (787)
Net cash used in financing activities (377) (896)
Net decrease in cash and cash equivalents (941) (2,574)
Cash and cash equivalents, beginning of period 5,258 7,595
Cash and cash equivalents, end of period 4,317 5,021
Supplemental cash flow information - income taxes paid 1 165
Noncash investing and financing activities:    
Retirement of treasury stock $ 0 $ 157