Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Operating activities
Net income/(loss)	$ 3,576	$ (550)
Adjustments to reconcile net income/(loss) to net cash flows provided by operating activities
Depreciation and amortization	4,437	4,575
Deferred tax (benefit)/expense	(211)	211
Stock-based compensation expense	1,011	1,165
Provision on uncollectible accounts	101	71
Loss on disposal of fixed assets	318	46
Changes in operating assets and liabilities
Accounts payable	(2,609)	(3,576)
Accrued compensation and payroll taxes	(576)	1,226
Inventories	(2,225)	4,360
Customers' deposits	(1,507)	(1,517)
Income taxes receivable and payable	(668)	35
Prepaid expenses and other current assets	1,749	(700)
Accounts receivable	1,749	(354)
Costs and estimated earnings in excess of billings on uncompleted contracts	(910)	(547)
Other assets and liabilities	(143)	529
Net cash provided by operating activities	4,090	4,978
Investing activities
Capital expenditures	(1,902)	(1,361)
Net cash used in investing activities	(1,902)	(1,361)
Financing activities
Proceeds from revolving lines	73,225	64,736
Payments of debt on revolving lines	(72,973)	(62,759)
Debt issuance costs		(946)
Payments of other debt	(358)	(350)
Increase (decrease) in drafts payable	(129)	192
Payments on finance lease obligations	(287)	(250)
Stock options exercised and taxes paid related to restricted shares vested	221	511
Net cash (used in)/provided by financing activities	(301)	1,134
Effect of exchange rate changes on cash, cash equivalents and restricted cash	34	(335)
Net increase in cash, cash equivalents and restricted cash	1,921	4,416
Cash, cash equivalents and restricted cash - beginning of period	12,737	8,321
Cash, cash equivalents and restricted cash - end of period	14,658	12,737
Supplemental cash flow information
Interest paid	902	1,298
Income taxes paid	2,107	1,731
Fixed assets acquired under finance leases - non-cash	$ 848