CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2016	Jul. 31, 2015
Operating activities
Net loss	$ (5,845)	$ (7,046)
Adjustments to reconcile net loss to net cash flows provided by operating activities
Depreciation and amortization	2,830	2,903
Loss on consolidation of joint venture	1,620	0
Gain on disposal of subsidiaries	(867)	0
Deferred tax (benefit) expense	(277)	31
Stock-based compensation expense (benefit)	137	(26)
Income from joint venture	0	(116)
Cash surrender value on life insurance policies	(132)	(64)
Gain on disposal of fixed assets	2,364	0
Provision on uncollectible accounts	400	192
Changes in operating assets and liabilities
Accounts receivable	16,277	(2,352)
Inventories	5,004	(5,267)
Costs and estimated earnings in excess of billings on uncompleted contracts	(296)	2,325
Accounts payable	(4,889)	8,250
Accrued compensation and payroll taxes	(5,884)	4,642
Customers' deposits	(1,824)	3,007
Income taxes receivable and payable	(1,418)	(1,115)
Prepaid expenses and other current assets	(1,233)	1,178
Other assets and liabilities	(758)	(6,469)
Net cash provided by operating activities	481	73
Investing activities
Acquisition of interest in subsidiary, net of cash acquired	(4,672)	0
Capital expenditures	(994)	(4,997)
Proceeds from surrender of corporate-owned life insurance policies	1,894	0
Receipts on loan from joint venture	0	1,890
Proceeds from sales of property and equipment	11,930	0
Net cash provided by (used in) investing activities	8,158	(3,107)
Financing activities
Proceeds from revolving lines	21,113	48,585
Proceeds from debt	6,147	668
Proceeds from borrowing against life insurance policies	0	1,916
Payments of debt on revolving lines of credit	(29,835)	(45,546)
Payments of other debt	(10,044)	(1,109)
Payments of borrowing against life insurance policies	0	(1,916)
(Decrease) increase in drafts payable	(248)	359
Payments on capitalized lease obligations	(1,204)	(434)
Payments for repurchase of common stock	0	(290)
Stock options exercised and restricted shares issued	309	(25)
Net cash (used in) provided by financing activities	(13,762)	2,208
Effect of exchange rate changes on cash and cash equivalents	104	326
Net decrease in cash and cash equivalents	(5,019)	(500)
Cash and cash equivalents - beginning of period	16,631	10,508
Cash and cash equivalents - end of period	11,612	10,008
Supplemental cash flow information
Interest paid	457	564
Income taxes paid	1,142	846
Fixed assets acquired under capital lease	0	732
Funds held in escrow related to the sale of Filtration assets	$ 502	$ 0