Condensed Statements of Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2014	Nov. 30, 2013
Income Statement [Abstract]
NET SALES	$ 2,418	$ 2,115	$ 7,028	$ 6,432
Cost of Sales	1,811	1,428	5,292	4,645
Gross Profit	607	687	1,736	1,787
Selling, General and Administrative Expenses	343	413	1,065	1,180
Operating Income	264	274	671	607
Other income (Note 7)
Other income		77	8	163
Interest Income	6	12	12	28
Total other income	6	89	20	191
Income before provision for income taxes	270	363	691	798
Provision for income taxes	(12)	(3)	(19)	(9)
Net Income	258	360	672	789
Other comprehensive income:
Unrealized (loss) on investments		(9)		(7)
Total comprehensive income	$ 258	$ 351	$ 672	$ 782
Income Per Share from operating income-Basic	$ 0.12	$ 0.13	$ 0.31	$ 0.28
Income Per Share from operating income-Diluted	$ 0.11	$ 0.11	$ 0.28	$ 0.25
Net Income Per Share-Basic	$ 0.12	$ 0.16	$ 0.31	$ 0.36
Net Income Per Share-Diluted	$ 0.11	$ 0.15	$ 0.28	$ 0.33
Weighted average shares outstanding-Basic	2,185,832	2,177,832	2,183,224	2,177,832
Weighted average shares outstanding-Diluted	2,410,611	2,405,711	2,407,610	2,403,931