Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Nov. 30, 2012	Feb. 29, 2012
Current assets
Cash		$ 148
Accounts receivable, less allowance for doubtful accounts of $84 and $176	5,963	7,193
Inventories, net	31,584	29,736
Cost and estimated earnings in excess of billings on uncompleted contracts	3,244	3,236
Deferred income taxes	2,280	1,936
Income taxes refundable	77	680
Prepaid expenses and other	760	842
Total current assets	43,908	43,771
Property, plant and equipment
Land	281	336
Buildings	5,625	6,659
Machinery and equipment	15,606	17,884
Total property, plant and equipment	21,512	24,879
Accumulated depreciation and amortization	(17,211)	(20,463)
Net property, plant and equipment	4,301	4,416
Note receivable	622	250
Goodwill	1,291	1,291
Intangible assets, net	1,043	1,221
Deferred income taxes	726	648
Other assets	30	6
Total assets	51,921	51,603
Current liabilities
Accounts payable	3,368	3,237
Accrued liabilities	2,007	1,945
Billings in excess of cost and estimated earnings on uncompleted contracts	196	342
Lines of credit	11,085
Current maturities of long-term debt	4,821	945
Total current liabilities	21,477	6,469
Lines of credit		11,057
Long-term debt, less current maturities	293	4,878
Unrecognized gain	554
Other long-term liabilities	249	246
Total liabilities	22,573	22,650
Stockholders' Equity
Preferred stock, no par value - 10,000 shares authorized; none issued and outstanding
Common stock, no par value - 50,000 shares authorized; 9,732 issued and 7,566 outstanding at November 30, 2012 and 9,732 issued and 7,581 outstanding at February 29, 2012	7,293	7,293
Additional paid-in capital	114	114
Retained earnings	32,515	32,065
Treasury stock, shares at cost; 2,166 at November 30, 2012 and 2,151 at February 29, 2012	(10,574)	(10,519)
Total shareholders' equity	29,348	28,953
Total liabilities and shareholders' equity	$ 51,921	$ 51,603