Condensed Statements of Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2013	Aug. 31, 2012
IncomeStatementAbstract
NET SALES	$ 2,041	$ 1,965	$ 4,317	$ 4,033
Cost of Sales	1,547	1,541	3,217	3,144
Gross Profit	494	424	1,100	889
Selling, General and Administrative Expenses	322	261	767	576
Operating Income	172	163	333	313
Other income (Note 7)
Other income		12	86	12
Interest Income	7	12	16	27
Total other income	7	24	102	39
Income before provision for income taxes	179	187	435	352
Provision for income taxes	(2)	(2)	(6)	(6)
Net Income	177	185	431	346
Other comprehensive income:
Unrealized (loss)/gain on investments	(8)		2
Total comprehensive income	$ 169	$ 185	$ 431	$ 346
Income Per Share from operating income-Basic	$ 0.08	$ 0.07	$ 0.15	$ 0.15
Income Per Share from operating income-Diluted	$ 0.07	$ 0.07	$ 0.14	$ 0.14
Net Income Per Share-Basic	$ 0.08	$ 0.08	$ 0.20	$ 0.15
Net Income Per Share-Diluted	$ 0.07	$ 0.08	$ 0.18	$ 0.14
Weighted average shares outstanding-Basic	2,177,832	2,249,931	2,177,832	2,259,469
Weighted average shares outstanding-Diluted	2,402,491	2,461,104	2,403,041	2,472,495