CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Operating activities
Net loss	$ (4,409)	$ (181)
Adjustments to reconcile net loss to net cash flows (used in) provided by operating activities
Depreciation and amortization	5,929	5,897
Gain on disposal of discontinued operations	(8,099)	(188)
Impairment expense on discontinued operations	6,480	0
Deferred tax (benefit) expense	(249)	1,231
Income in joint venture	(602)	(1,960)
Stock-based compensation expense	278	124
Cash surrender value on life insurance policies	206	(145)
Provision on uncollectible accounts	(59)	(80)
Loss (gain) on disposal of fixed assets	101	(17)
Changes in operating assets and liabilities
Accounts payable	5,819	(4,612)
Accrued compensation and payroll taxes	299	(3,055)
Inventories	4,027	3,250
Customers' deposits	(2,400)	(28)
Income taxes receivable and payable	620	(687)
Prepaid expenses and other current assets	1,914	1,000
Accounts receivable	(2,809)	3,314
Costs and estimated earnings in excess of billings on uncompleted contracts	(1,268)	(765)
Notes receivable	273	849
Other assets and liabilities	(8,948)	(449)
Net cash (used in) provided by operating activities	(2,897)	3,498
Investing activities
Net proceeds from sale of discontinued operations	16,373	109
Capital expenditures	(6,457)	(5,878)
Payments on loan from joint venture	1,890	0
Proceeds from sales of property and equipment	2,059	24
Net cash provided by (used in) investing activities	13,865	(5,745)
Financing activities
Proceeds from revolving lines	105,636	85,270
Proceeds from debt	918	661
Proceeds from borrowing against life insurance policies	1,916	0
Payments of debt on revolving lines	(105,378)	(83,150)
Payments of other debt	(2,544)	(3,641)
Payments on borrowing against life insurance policies	(1,916)	0
Decrease (increase) in drafts payable	(467)	629
Payments on capitalized lease obligations	(998)	(704)
Repurchase of Common Stock	(290)	0
Stock options exercised and restricted shares issued	98	389
Net cash used in financing activities	(3,025)	(546)
Effect of exchange rate changes on cash and cash equivalents	(1,212)	(702)
Net increase (decrease) in cash and cash equivalents	6,731	(3,495)
Cash and cash equivalents - beginning of period	9,900	13,395
Cash and cash equivalents - end of period	16,631	9,900
Supplemental cash flow information
Interest paid	749	1,288
Income taxes paid	970	2,988
Fixed assets acquired under capital leases	0	680
Funds held in escrow related to the sale of Filtration assets	$ 1,905	$ 0