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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Jul. 31, 2018
Jul. 31, 2017
OPERATING ACTIVITIES:    
Net income $ 5,389 $ 77
Adjustments to reconcile net income to net cash provided by operating activities:    
Bad debt expense 22 10
Depreciation and amortization 634 649
Gain on sale of fixed assets (1) 0
Stock-based compensation expense 189 161
Deferred income taxes 67 24
Changes in operating assets and liabilities:    
Trade accounts receivable (2,009) 274
Inventories (745) (460)
Other current assets (110) 706
Other long-term assets 21 51
Accounts payable 486 86
Accrued expenses 1,248 (637)
Other long-term liabilities 0 (128)
Net cash provided by operating activities 5,191 813
INVESTING ACTIVITIES:    
Proceeds from landlord for tenant improvements 34 0
Proceeds from sale of fixed assets 1 0
Capital expenditures (148) (44)
Net cash used in investing activities (113) (44)
FINANCING ACTIVITIES:    
Proceeds from exercise of stock options 1,018 25
Excess tax benefit from cancelled stock options 0 (24)
Dividends paid (544) (530)
Net cash provided by (used in) financing activities 474 (529)
Net increase in cash and cash equivalents 5,552 240
Cash and cash equivalents, beginning of period 6,039 5,258
Cash and cash equivalents, end of period 11,591 5,498
Supplemental cash flow information - income taxes paid 1,503 31
Supplemental schedule of noncash investing and financing activities:    
Sale of fully depreciated property and equipment $ 12 $ 0