CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 30, 2014	Apr. 30, 2013
Operating activities
Net income	$ 3,827	$ 11,081
Adjustments to reconcile net income to net cash flows used in operating activities
Depreciation and amortization	1,433	1,530
(Loss) gain on disposal of discontinued operations	12	(11,401)
Deferred tax expense	612	2,667
Stock-based compensation (benefit) expense	(352)	119
Loss from joint venture	8	295
Cash surrender value on life insurance policies	(58)	(59)
Loss (gain) on disposal of fixed assets	4	(161)
Provision on uncollectible accounts	(64)	15
Changes in operating assets and liabilities
Accounts receivable	(1,726)	(14,534)
Inventories	(1,027)	2,805
Costs and estimated earnings in excess of billings on uncompleted contracts	(2,313)	149
Accounts payable	1,439	(1,629)
Accrued compensation and payroll taxes	(4,598)	1,340
Customers' deposits	1,283	697
Income taxes receivable and payable	947	497
Prepaid expenses and other current assets	(1,023)	(1,028)
Other assets and liabilities	280	(6,446)
Net cash used in operating activities	(1,316)	(14,063)
Investing activities
Net proceeds from sale of discontinued operations	0	16,123
Capital expenditures	(776)	(440)
Proceeds from sales of property and equipment	3	0
Net cash (used in) provided by investing activities	(773)	15,683
Financing activities
Proceeds from debt	17,412	40,813
Payments of debt on revolving lines of credit	(15,738)	(35,989)
Payments of other debt	(766)	(2,888)
Decrease in drafts payable	435	1,412
Payments on capitalized lease obligations	(145)	(153)
Stock options exercised	161	50
Net cash provided by financing activities	1,359	3,245
Effect of exchange rate changes on cash and cash equivalents	173	(917)
Net (decrease) increase in cash and cash equivalents	(557)	3,948
Cash and cash equivalents - beginning of period	13,395	7,035
Cash and cash equivalents - end of period	12,838	10,983
Supplemental cash flow information
Interest paid	369	633
Income taxes paid	7	153
Funds held in escrow related to the sale of Thermal Care, Inc. assets	$ 1,125	$ 1,125