Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2018	Oct. 31, 2017
Operating activities
Net loss	$ (1,524)	$ (8,479)
Adjustments to reconcile net loss to net cash flows used in operating activities
Depreciation and amortization	3,482	3,772
Deferred tax expense (benefit)	346	(544)
Equity-based compensation expense	999	795
Loss on disposal of fixed assets	46	8
Provision on doubtful accounts	14	(324)
Gain from sale of marketable securities		(142)
Changes in operating assets and liabilities
Accounts receivable	(165)	2,989
Inventories	2,269	(375)
Change in contract assets and contract liabilities	(1,221)	513
Accounts payable	(5,460)	(1,627)
Accrued compensation and payroll taxes	1,468	(1,633)
Customers' deposits	(1,194)	1,566
Income taxes receivable and payable	54	(621)
Prepaid expenses and other current assets	(801)	(196)
Other assets and liabilities	1,061	105
Net cash used in operating activities	(626)	(4,193)
Investing activities
Capital expenditures	(885)	(2,082)
Proceeds from sales of marketable securities		142
Proceeds from sales of property and equipment		1
Net cash used in investing activities	(885)	(1,939)
Financing activities
Proceeds from revolving lines	42,201	31,652
Payments of debt on revolving lines of credit	(35,152)	(26,055)
Debt issuance costs	(930)
Payments of other debt	(266)	(161)
Decrease in drafts payable	(20)	(4)
Payments (borrowings) on capitalized lease obligations	(205)	632
Release of treasury stock		170
Stock options exercised and taxes related to restricted shares vested	249	(216)
Net cash provided by financing activities	5,877	6,018
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(569)	684
Net increase in cash, cash equivalents and restricted cash	3,797	570
Cash, cash equivalents and restricted cash - beginning of period	8,321	8,701
Cash, cash equivalents and restricted cash - end of period	12,118	9,271
Supplemental cash flow information
Interest paid	917	584
Income taxes paid	1,118	786
Fixed assets acquired under capital leases		841
Funds held in escrow related to the sale of Filtration assets		$ 250