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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Operating activities    
Net (loss) income $ (932) $ 4,819
Adjustments to reconcile net (loss) income to net cash flows (used in) provided by operating activities    
Depreciation and amortization 4,425 4,299
Loss on disposal of discontinued operations 0 283
Deferred tax expense 479 420
Stock-based compensation expense (benefit) 137 (57)
Income from joint venture (524) (1,114)
Cash surrender value on life insurance policies (2) (153)
Gain on disposal of fixed assets 1 4
Provision on uncollectible accounts 476 (592)
Changes in operating assets and liabilities    
Accounts receivable (17,820) 5,108
Inventories (5,687) 2,434
Costs and estimated earnings in excess of billings on uncompleted contracts (589) (2,598)
Accounts payable 11,206 (4,494)
Accrued compensation and payroll taxes 5,686 (3,309)
Customers' deposits (1,326) 416
Income taxes receivable and payable (98) (1,311)
Prepaid expenses and other current assets 1,356 805
Other assets and liabilities (6,575) 107
Net cash (used in) provided by operating activities (9,787) 5,067
Investing activities    
Capital expenditures (5,971) (4,208)
Payment on loan from joint venture 1,890 0
Proceeds from sales of property and equipment 0 8
Net cash used in investing activities (4,081) (4,200)
Financing activities    
Proceeds from revolving lines 79,175 61,366
Proceeds from debt 783 1,510
Proceeds from borrowing against life insurance policies 1,916 0
Payments of debt on revolving lines of credit (63,177) (61,053)
Payments of other debt (1,699) (2,059)
Payments of borrowing against life insurance policies (1,916) 0
(Decrease) increase in drafts payable (122) 722
Payments on capitalized lease obligations (659) (573)
Payments for repurchase of common stock (290) 0
Stock options exercised and restricted shares issued (15) 388
Net cash provided by financing activities 13,996 301
Effect of exchange rate changes on cash and cash equivalents 246 (147)
Net increase in cash and cash equivalents 374 1,021
Cash and cash equivalents - beginning of period 10,508 13,395
Cash and cash equivalents - end of period 10,882 14,416
Supplemental cash flow information    
Interest paid 836 1,165
Income taxes paid 849 2,503
Fixed assets acquired under capital lease 1,215 614
Funds held in escrow related to the sale of Thermal Care, Inc. assets $ 0 $ 61