Condensed Statements of Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	May 31, 2014	May 31, 2013
IncomeStatementAbstract
Net sales	$ 2,305	$ 2,276
Cost of sales	1,814	1,670
Gross profit	491	606
Selling, general and administrative expenses	336	445
Operating income	155	161
Other income (expenses):
Interest income	4	9
Other, net (Note 7)	8	86
Income before provision for income taxes	167	256
Provision for income taxes	4	4
Net income	163	252
Other comprehensive income:
Unrealized (loss)/gain on investments	(1)	10
Total comprehensive income	$ 162	$ 262
Income per share from operating income - Basic	$ 0.07	$ 0.07
Income per share from operating income - Diluted	$ 0.07	$ 0.07
Net income per share - Basic	$ 0.07	$ 0.12
Net income per share - Diluted	$ 0.07	$ 0.11
Weighted average shares outstanding - Basic	2,178,008	2,177,832
Weighted average shares outstanding - Diluted	2,402,138	2,403,591