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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Operating activities    
Net loss $ (529) $ (9,976)
Adjustments to reconcile net loss to net cash flows provided by/ (used in) operating activities    
Depreciation and amortization 4,575 5,031
Gain on disposal of subsidiary (166)
Deferred tax benefit 211 (958)
Stock-based compensation expense 1,165 1,447
Provision on uncollectible accounts 71 15
Loss on disposal of fixed assets 46 219
Gain on sale of marketable securities (142)
Changes in operating assets and liabilities    
Accounts payable (3,576) 4,551
Accrued compensation and payroll taxes 1,226 (1,780)
Inventories 4,360 (3,274)
Customers' deposits (1,517) 2,596
Income taxes receivable and payable 35 (75)
Prepaid expenses and other current assets (700) (471)
Accounts receivable (354) (1,076)
Costs and estimated earnings in excess of billings on uncompleted contracts (547) 1,455
Other assets and liabilities 508 762
Net cash provided by/(used in) operating activities 4,978 (1,842)
Investing activities    
Capital expenditures (1,361) (2,532)
Proceeds from sale of marketable securities 142
Proceeds from sales of property and equipment 1
Net cash used in investing activities (1,361) (2,389)
Financing activities    
Proceeds from revolving lines 64,736 40,485
Payments of debt on revolving lines (62,759) (37,354)
Debt issuance costs (946)
Payments of other debt (350) (211)
Increase in drafts payable 192 34
Proceeds (payments) on capitalized lease obligations (250) 546
Release of treasury stock 170
Stock options exercised and taxes paid related to restricted shares vested 511 (214)
Net cash provided by financing activities 1,134 3,456
Effect of exchange rate changes on cash, cash equivalents and restricted cash (335) 395
Net decrease in cash, cash equivalents and restricted cash 4,416 (380)
Cash, cash equivalents and restricted cash - beginning of period 8,321 8,701
Cash, cash equivalents and restricted cash - end of period 12,737 8,321
Supplemental cash flow information    
Interest paid 1,298 804
Income taxes paid 1,731 1,080
Fixed assets acquired under capital leases $ 841