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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 30, 2020
Apr. 30, 2019
Operating activities    
Net loss $ (2,521) $ (1,502)
Adjustments to reconcile net loss to net cash flows provided by in operating activities    
Depreciation and amortization 1,111 1,154
Deferred tax benefit (362) (4)
Equity-based compensation expense 219 154
Loss on disposal of fixed assets (3)
Provision on uncollectible accounts (62) (32)
Changes in operating assets and liabilities    
Accounts receivable 3,361 6,084
Inventories 468 (3,870)
Contract assets and contract liabilities (846) (54)
Accounts payable (977) (233)
Accrued compensation and payroll taxes 900 (405)
Customers' deposits (750) (187)
Income taxes receivable and payable 56 (560)
Prepaid expenses and other current assets (997) 1,658
Other assets and liabilities 997 (826)
Net cash provided by operating activities 597 1,374
Investing activities    
Capital expenditures (775) (508)
Proceeds from sales of property and equipment 3
Net cash used in investing activities (775) (505)
Financing activities    
Proceeds from revolving lines 15,186 21,865
Payments of debt on revolving lines of credit (16,003) (24,622)
Payments of other debt (79) (88)
Decrease in drafts payable (44) (190)
Payments on finance lease obligations (105) (50)
Stock options exercised and restricted shares retired for tax 79
Net cash used in financing activities (1,045) (3,006)
Effect of exchange rate changes on cash, cash equivalents and restricted cash 120 (38)
Net decrease in cash, cash equivalents and restricted cash (1,103) (2,175)
Cash, cash equivalents and restricted cash - beginning of period 14,658 12,737
Cash, cash equivalents and restricted cash - end of period 13,555 10,562
Supplemental cash flow information    
Interest paid 196 226
Income taxes paid $ 49 $ 862