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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 30, 2018
Apr. 30, 2017
Operating activities    
Net loss $ (1,117) $ (3,489)
Adjustments to reconcile net loss to net cash flows used in operating activities    
Depreciation and amortization 1,183 1,215
Deferred tax benefit 61 (290)
Equity-based compensation expense 254 203
Loss on disposal of fixed assets 40 1
Provision on uncollectible accounts (28) (329)
Changes in operating assets and liabilities    
Accounts receivable 3,219 7,546
Inventories 934 (1,775)
Change in contract assets and contract liabilities (1,728) (978)
Accounts payable (2,925) (936)
Accrued compensation and payroll taxes 524 (584)
Customers' deposits 974 (191)
Income taxes receivable and payable (706) (755)
Prepaid expenses and other current assets 147 (1,122)
Other assets and liabilities (835) 472
Net cash used in operating activities (3) (1,012)
Investing activities    
Capital expenditures (376) (267)
Proceeds from sales of property and equipment 0 1
Net cash used in investing activities (376) (266)
Financing activities    
Proceeds from revolving lines 9,990 8,612
Payments of debt on revolving lines of credit (6,571) (6,763)
Payments of other debt (90) (70)
(Decrease) increase in drafts payable (33) 50
Payments on capitalized lease obligations (93) (72)
Release of treasury stock 0 13
Stock options exercised and taxes related to restricted shares vested 25 114
Net cash provided by financing activities 3,228 1,884
Effect of exchange rate changes on cash, cash equivalents and restricted cash (190) 892
Net increase in cash, cash equivalents and restricted cash 2,659 1,498
Cash, cash equivalents and restricted cash - beginning of period 8,321 8,701
Cash, cash equivalents and restricted cash - end of period 10,980 10,199
Supplemental cash flow information    
Interest paid 242 177
Income taxes paid 568 530
Fixed assets acquired under capital leases 0 0
Funds held in escrow related to the sale of Filtration assets $ 0 $ 502