CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Oct. 31, 2012	Oct. 31, 2011
Operating activities
Net loss	$ (2,958)	$ (2,643)
Adjustments to reconcile net loss to net cash flows used in operating activities
Depreciation and amortization	4,373	4,290
Deferred tax expense	353	2,148
Stock-based compensation expense	366	470
Income from joint venture	(354)	(584)
Cash surrender value of deferred compensation plan	(121)	133
Loss on disposal of fixed assets	57	118
Changes in operating assets and liabilities
Accounts receivable, net	(6,383)	(8,874)
Inventories	1,302	(3,543)
Costs and estimated earnings in excess of billings on uncompleted contracts	(231)	54
Accounts payable	(522)	2,936
Accrued compensation and payroll taxes	(592)	(1,109)
Customers' deposits	1,870	(510)
Income taxes receivable and payable	(539)	(327)
Prepaid expenses and other current assets	64	228
Other assets and liabilities	1,693	(2,025)
Net cash used in operating activities	(1,622)	(9,238)
Investing activities
Additions to property, plant and equipment	(5,316)	(7,228)
Loan to joint venture	(989)	0
Proceeds from sales of property and equipment	94	16
Net cash used in investing activities	(6,211)	(7,212)
Financing activities
Borrowings	157,554	152,608
Repayment of debt	(147,112)	(146,463)
Decrease in drafts payable	(789)	(694)
Payments on capitalized lease obligations	(432)	(243)
Stock options exercised	35	164
Tax benefit of stock options exercised	15	64
Net cash provided by financing activities	9,271	5,436
Effect of exchange rate changes on cash and cash equivalents	(56)	(38)
Net increase (decrease) in cash and cash equivalents	1,382	(11,052)
Cash and cash equivalents - beginning of period	4,209	16,718
Cash and cash equivalents - end of period	5,591	5,666
Supplemental cash flow information
Interest paid	1,718	1,172
Income taxes paid	$ 133	$ 430