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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jul. 31, 2012
Jul. 31, 2011
Operating activities    
Net loss $ (3,413) $ (3,329)
Adjustments to reconcile net loss to net cash flows used in operating activities    
Depreciation and amortization 2,791 2,866
Deferred tax benefit 360 259
Stock-based compensation expense 260 297
Loss from joint venture 177 99
Cash surrender value of deferred compensation plan (72) 92
Loss on disposal of fixed assets 74 89
Changes in operating assets and liabilities    
Accounts receivable, net (4,272) (3,428)
Inventories (793) (5,085)
Accounts payable 18 3,185
Accrued compensation and payroll taxes (940) (1,933)
Customers' deposits 1,923 1,108
Income taxes receivable and payable (896) 66
Prepaid expenses and other current assets (1,480) (163)
Other assets and liabilities 977 (618)
Net cash used in operating activities (5,286) (6,495)
Investing activities    
Additions to property, plant and equipment (4,367) (4,235)
Loan to joint venture (989) 0
Proceeds from sales of property and equipment 31 13
Net cash used in investing activities (5,325) (4,222)
Financing activities    
Borrowings 108,844 97,237
Payment of debt (95,790) (92,780)
Decrease in drafts payable (248) (650)
Payment on capitalized lease obligations (264) (151)
Stock options exercised 31 81
Tax benefit of stock options exercised 15 5
Net cash provided by financing activities 12,588 3,742
Effect of exchange rate changes on cash and cash equivalents (59) 14
Net increase (decrease) in cash and cash equivalents 1,918 (6,961)
Cash and cash equivalents - beginning of period 4,209 16,718
Cash and cash equivalents - end of period 6,127 9,757
Supplemental cash flow information    
Interest paid 1,112 1,024
Income taxes paid $ 116 $ 925