CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Oct. 31, 2014	Oct. 31, 2013
Operating activities
Net income	$ 4,819	$ 22,868
Adjustments to reconcile net income to net cash flows provided by (used in) operating activities
Depreciation and amortization	4,299	4,465
Loss (gain) on disposal of discontinued operations	283	(10,111)
Deferred tax expense	420	93
Stock-based compensation (benefit) expense	(57)	95
Income from joint venture	(1,114)	(248)
Cash surrender value on life insurance policies	(153)	(131)
Loss on disposal of fixed assets	4	305
Provision on uncollectible accounts	(592)	(114)
Changes in operating assets and liabilities
Accounts receivable	5,108	(24,049)
Inventories	2,434	3,044
Costs and estimated earnings in excess of billings on uncompleted contracts	(2,598)	1,227
Accounts payable	(4,494)	(7,052)
Accrued compensation and payroll taxes	(3,309)	4,329
Customers' deposits	416	1,669
Income taxes receivable and payable	(1,311)	2,220
Prepaid expenses and other current assets	805	(3,736)
Other assets and liabilities	107	(6,204)
Net cash provided by (used in) operating activities	5,067	(11,330)
Investing activities
Net proceeds from sale of discontinued operations	0	16,378
Capital expenditures	(4,208)	(1,817)
Proceeds from sales of property and equipment	8	8
Net cash (used in) provided by investing activities	(4,200)	14,569
Financing activities
Proceeds from debt	62,876	76,633
Payments of debt on revolving lines of credit	(61,053)	(70,446)
Payments of other debt	(2,059)	(6,817)
Increase (decrease) in drafts payable	722	(118)
Payments on capitalized lease obligations	(573)	(453)
Stock options exercised and restricted shares issued	388	911
Net cash provided by (used in) financing activities	301	(290)
Effect of exchange rate changes on cash and cash equivalents	(147)	538
Net increase in cash and cash equivalents	1,021	3,487
Cash and cash equivalents - beginning of period	13,395	7,035
Supplemental cash flow information
Interest paid	1,165	1,694
Income taxes paid	2,503	396
Fixed assets acquired under capital lease	614	20
Funds held in escrow related to the sale of Thermal Care, Inc. assets	$ 61	$ 1,125