CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands	Jul. 31, 2011	Jan. 31, 2011
Current assets
Cash and cash equivalents	$ 9,757	$ 16,718
Restricted cash	1,496	984
Trade accounts receivable, less allowance for doubtful accounts of $340 at July 31, 2011 and $346 at January 31, 2011	40,414	36,634
Inventories, net	41,061	35,509
Prepaid expenses and other current assets	4,139	4,575
Deferred tax assets - current	2,499	2,389
Costs and estimated earnings in excess of billings on uncompleted contracts	2,131	2,055
Income tax receivable	130	204
Total current assets	101,627	99,068
Property, plant and equipment, net of accumulated depreciation	45,287	43,655
Other assets
Deferred tax assets - long-term	8,147	8,470
Note receivable from joint venture	4,400	4,270
Investments in joint ventures	2,980	3,078
Cash surrender value of deferred compensation plan	2,776	2,869
Patents, net of accumulated amortization	265	260
Other assets	2,566	1,605
Total other assets	21,134	20,552
Total assets	168,048	163,275
Current liabilities
Trade accounts payable	21,956	19,296
Accrued compensation and payroll taxes	4,433	4,332
Commission and management incentives payable	4,894	6,867
Current maturities of long-term debt	3,295	3,082
Customer' deposits	3,022	1,913
Billings in excess of costs and estimated earnings on uncompleted contracts	1,903	1,597
Other accrued liabilities	3,049	3,166
Total current liabilities	42,552	40,253
Long-term liabilities
Long-term debt, less current maturities	40,595	36,192
Deferred compensation liabilities	5,672	5,138
Other long-term liabilities	3,156	3,271
Total long-term liabilities	49,423	44,601
Stockholders' equity
Common stock, $.01 par value, authorized 50,000 shares; 6,870 issued and outstanding at July 31, 2011 and 6,851 issued and outstanding at January 31, 2011	69	69
Additional paid-in capital	49,437	49,055
Retained earnings	24,775	28,104
Accumulated other comprehensive income	1,792	1,193
Total stockholders' equity	76,073	78,421
Total liabilities and stockholders' equity	$ 168,048	$ 163,275