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Condensed Consolidated Statements of Cash Flows Unaudited - USD ($)
$ in Thousands
 3 Months Ended
Apr. 30, 2016
Apr. 30, 2015
Operating activities    
Net loss $ (3,138) $ (3,178)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 1,305 1,130
Provision for doubtful accounts 16 15
Gain on sale of property, plant and equipment (1) (8)
Deferred income taxes 5 23
Stock-based compensation 124 122
Amortization of net actuarial loss for pension plans, net of tax 330 495
Changes in operating assets and liabilities:    
Trade accounts receivable 1,032 801
Other receivables (35) 4
Inventories (19,320) (15,572)
Income taxes 58 12
Prepaid expenses and other current assets (893) (840)
Accounts payable and accrued liabilities 3,991 6,973
Net cash used in operating activities (16,526) (10,023)
Investing activities    
Capital expenditures (1,097) (1,200)
Proceeds from sale of property, plant and equipment 1 8
Net cash used in investing activities (1,096) (1,192)
Financing activities    
Proceeds from long-term debt 24,600 22,300
Repayment of long-term debt (6,760) (10,975)
Common stock repurchased 0 0
Net cash provided by financing activities 17,840 11,325
Net increase in cash 218 110
Cash at beginning of year 815 470
Cash at end of year $ 1,033 $ 580