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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Apr. 30, 2018
Apr. 30, 2017
OPERATING ACTIVITIES:    
Net income (loss) $ 3,658 $ (115)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Bad debt expense 53 10
Depreciation and amortization 422 434
Stock-based compensation expense 132 99
Deferred income taxes 10 24
Changes in operating assets and liabilities:    
Trade accounts receivable (7,897) (404)
Inventories (966) (668)
Other current assets 179 (23)
Other long-term assets 21 35
Accounts payable 4,580 772
Income tax payable 507 0
Accrued expenses 1,743 (595)
Other long-term liabilities 0 (107)
Net cash provided by (used in) operating activities 2,442 (538)
INVESTING ACTIVITIES:    
Proceeds from landlord for tenant improvements 34 0
Capital expenditures (79) (26)
Net cash used in investing activities (45) (26)
FINANCING ACTIVITIES:    
Proceeds from exercise of stock options 413 0
Excess tax benefit from cancelled stock options 0 (24)
Dividends paid (360) (353)
Net cash provided by (used in) financing activities 53 (377)
Net increase (decrease) in cash and cash equivalents 2,450 (941)
Cash and cash equivalents, beginning of period 6,039 5,258
Cash and cash equivalents, end of period 8,489 4,317
Supplemental cash flow information - income taxes paid $ 384 $ 13