Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Feb. 28, 2014	Feb. 28, 2013
Current Assets
Cash and cash equivalents	$ 2,299	$ 379
Restricted cash	1,200
Trading investments, at fair value	4,914	24
Accounts receivable, less allowance for bad debts of $40 and $21, respectively	1,876	3,125
Note receivable	1,000	68
Inventories, net	9,915	11,173
Cost and estimated earnings in excess of billings on uncompleted contracts		108
Deferred income taxes	242	2,219
Income taxes refundable	1,120	418
Prepaid expenses and other current assets	182	319
Assets of discontinued operations		26,697
Total current assets	22,748	44,530
Property, plant and equipment:
Land	154	240
Buildings	2,589	3,701
Machinery and equipment	7,249	7,796
Total property, plant and equipment	9,992	11,737
Accumulated depreciation	(8,431)	(9,886)
Net property, plant and equipment	1,561	1,851
Note receivable	1,698	622
Intangible assets, net	684	768
Deferred income taxes	760	660
Other assets	29	29
Assets of discontinued operations		3,833
Total assets	27,480	52,293
Current liabilities
Accounts payable	946	2,029
Accrued liabilities	925	1,195
Billings in excess of cost and estimated earnings on uncompleted contracts		40
Lines of credit		9,940
Notes payable to officers and directors		500
Current maturities of long-term debt	48	4,596
Liabilities of discontinued operations		4,001
Total current liabilities	1,919	22,301
Long-term debt, less current maturities	233	281
Deferred rent	540
Unrecognized gain on sale of assets	554	554
Other long-term liabilities		123
Liabilities of discontinued operations		126
Total liabilities	3,246	23,385
Shareholders' 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 7,020 outstanding at February 28, 2014, and 9,732 issued and 7,566 outstanding at February 28, 2013	7,293	7,293
Additional paid-in capital	160	116
Retained earnings	29,392	32,073
Treasury stock, 2,712 shares at February 28, 2014 and 2,166 shares at February 28, 2013, at cost	(12,611)	(10,574)
Total shareholders' equity	24,234	28,908
Total liabilities and shareholders' equity	$ 27,480	$ 52,293