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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Operating activities    
Net income/(loss) $ 2,073 $ (1,524)
Adjustments to reconcile net income/(loss) to net cash flows provided by/(used) in operating activities    
Depreciation and amortization 3,349 3,482
Deferred tax (income)/expense (288) 346
Equity-based compensation expense 786 999
Loss on disposal of fixed assets 154 46
Provision on uncollectible accounts 49 14
Changes in operating assets and liabilities    
Accounts receivable 2,960 (165)
Inventories (3,980) 2,269
Contract assets and contract liabilities (2,929) (1,221)
Accounts payable 525 (5,460)
Accrued compensation and payroll taxes (199) 1,468
Customers' deposits (704) (1,194)
Income taxes receivable and payable 80 54
Prepaid expenses and other current assets 1,523 (801)
Other assets and liabilities (601) 1,061
Net cash provided by/(used in) operating activities 2,798 (626)
Investing activities    
Capital expenditures (1,423) (885)
Net cash used in investing activities (1,423) (885)
Financing activities    
Proceeds from revolving lines 61,281 42,201
Payments of debt on revolving lines of credit (61,613) (35,152)
Debt issuance costs (930)
Payments of other debt (276) (266)
Decrease in drafts payable (162) (20)
Payments on finance lease obligations (185) (205)
Stock options exercised and restricted shares retired for tax 176 249
Net cash provided by/(used in) financing activities (779) 5,877
Effect of exchange rate changes on cash, cash equivalents and restricted cash 26 (569)
Net increase in cash, cash equivalents and restricted cash 622 3,797
Cash, cash equivalents and restricted cash - beginning of period 12,737 8,321
Cash, cash equivalents and restricted cash - end of period 13,359 12,118
Supplemental cash flow information    
Interest paid 609 917
Income taxes paid 1,961 1,118
Fixed assets acquired under capital leases - non-cash $ 848