Condensed Consolidated Statements of Income Statements (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Aug. 31, 2011	Aug. 31, 2010	Aug. 31, 2011	Aug. 31, 2010
Condensed Consolidated Statements of Income Statements [Abstract]
Net sales	$ 16,541	$ 17,126	$ 33,566	$ 31,407
Cost of goods sold	11,327	12,427	23,022	22,690
Gross profit	5,214	4,699	10,544	8,717
Operating expenses
Selling and delivery	1,358	1,148	2,581	2,103
General and administrative	2,273	1,642	4,330	3,352
Total operating expenses	3,631	2,790	6,911	5,455
Operating profit	1,583	1,909	3,633	3,262
Other income (expense)
Interest expense	(205)	(242)	(439)	(497)
Other, net	80	116	70	171
Total other income (expense)	(125)	(126)	(369)	(326)
Income from continuing operations before income taxes	1,458	1,783	3,264	2,936
Income tax expense	457	542	1,025	975
Net income from continuing operations	1,001	1,241	2,239	1,961
Income (loss) from discontinued operations, net of income tax expense (benefit) of $52 and ($21)		103		(40)
Net income	$ 1,001	$ 1,344	$ 2,239	$ 1,921
Net income per share:
From continuing operations-basic	$ 0.13	$ 0.15	$ 0.29	$ 0.24
From continuing operations-diluted	$ 0.13	$ 0.14	$ 0.28	$ 0.22
From discontinued operations-basic	$ 0.00	$ 0.01	$ 0.00	$ (0.01)
From discontinued operations-diluted	$ 0.00	$ 0.01	$ 0.00	$ 0.00
Basic weighted average shares outstanding	7,620	8,365	7,614	8,365
Diluted weighted average shares outstanding	7,936	8,680	7,940	8,690