Statements of Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2012	Aug. 31, 2011
Income Statement [Abstract]
NET SALES	$ 1,965	$ 2,128	$ 4,033	$ 4,300
Cost of Sales	1,541	1,461	3,144	3,110
Gross Profit	424	667	889	1,190
Selling, General and Administrative Expenses	261	229	576	504
Operating Income	163	438	313	686
Other income (Note 7)
Other income	12		12
Interest Income	12	4	27	11
Total other income	24	4	39	11
Income before provision for income taxes	187	442	352	697
Provision for income taxes	(2)	(3)	(6)	(7)
Net Income	$ 185	$ 439	$ 346	$ 690
Net Income Per Share : Basic	$ 0.08	$ 0.19	$ 0.15	$ 0.30
: Diluted	$ 0.08	$ 0.18	$ 0.14	$ 0.28
Weighted Average Shares Outstanding : Basic	2,249,931	2,267,775	2,259,469	2,267,347
: Diluted	2,461,104	2,490,139	2,472,495	2,489,017