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Condensed Consolidated Statements of Cash Flows Unaudited - USD ($)
$ in Thousands
 9 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Operating activities    
Net income (loss) $ 10,276 $ 5,980
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Depreciation and amortization 3,518 3,300
Provision for doubtful accounts 58 115
(Gain) loss on sale of property, plant and equipment 9 (2)
Deferred income taxes 179 36
Stock-based compensation 370 380
Amortization of net actuarial (gain) loss for pension plans, net of tax 1,485 963
Changes in operating assets and liabilities:    
Trade accounts receivable (9,814) (6,423)
Other receivables (98) (3)
Inventories (490) (646)
Income taxes (2) (9)
Prepaid expenses and other current assets (292) 307
Accounts payable and accrued liabilities 5,095 (1,044)
Net cash provided by (used in) operating activities 10,294 2,954
Investing activities    
Capital expenditures (3,583) (2,584)
Proceeds from sale of property, plant and equipment 8 2
Net cash provided by (used in) investing activities (3,575) (2,582)
Financing activities    
Proceeds from long-term debt 31,960 33,750
Repayment of long-term debt (37,348) (33,827)
Common stock repurchased (206) (130)
Net cash provided by (used in) financing activities (5,594) (207)
Net increase (decrease) in cash 1,125 165
Cash at beginning of year 470 1,051
Cash at end of year $ 1,595 $ 1,216