CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 31, 2013	Jul. 31, 2012
Document Period End Date	Jul. 31, 2013
Operating activities
Net income (loss)	$ 15,477	$ (3,413)
Adjustments to reconcile net income (loss) to net cash flows used in operating activities
Depreciation and amortization	3,013	2,791
Gain on disposal of discontinued operations	(9,762)	0
Deferred tax expense	1,835	360
Stock-based compensation expense	68	260
Loss from joint venture	467	177
Cash surrender value of deferred compensation plan	(57)	(72)
(Gain) loss on disposal of fixed assets	(240)	74
Provision for uncollectible accounts	(15)	(3)
Changes in operating assets and liabilities
Accounts receivable	(22,334)	(4,269)
Inventories	3,689	(898)
Costs and estimated earnings in excess of billings on uncompleted contracts	(154)	105
Accounts payable	(3,096)	18
Accrued compensation and payroll taxes	4,315	(940)
Customers' deposits	2,376	1,923
Income taxes receivable and payable	455	(896)
Prepaid expenses and other current assets	(678)	(1,480)
Other assets and liabilities	(7,708)	977
Net cash used in operating activities	(12,349)	(5,286)
Investing activities
Net proceeds from sale of discontinued operations	15,253	0
Capital expenditures	(939)	(4,367)
Loan to joint venture	0	(989)
Proceeds from sales of property and equipment	0	31
Net cash provided by (used in) investing activities	14,314	(5,325)
Financing activities
Proceeds from debt	58,927	108,844
Payments of debt	(58,660)	(95,790)
Decrease in drafts payable	(3,106)	(248)
Payments on capitalized lease obligations	(304)	(264)
Stock options exercised	473	31
Tax benefit of stock options exercised	0	15
Net cash (used in) provided by financing activities	(2,670)	12,588
Effect of exchange rate changes on cash and cash equivalents	(293)	(59)
Net (decrease) increase in cash and cash equivalents	(998)	1,918
Cash and cash equivalents - beginning of period	7,035	4,209
Cash and cash equivalents - end of period	6,037	6,127
Supplemental cash flow information
Interest paid	1,197	1,112
Income taxes paid	311	116
Funds held in escrow related to the sale of Thermal Care, Inc. assets	$ 1,125	$ 0