Condensed Consolidated Income Statements (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2012	Nov. 30, 2011
Condensed Consolidated Income Statements [Abstract]
Net sales	$ 12,613	$ 16,036	$ 37,552	$ 49,602
Cost of goods sold	9,331	10,667	27,158	33,689
Gross profit	3,282	5,369	10,394	15,913
Operating expenses
Selling and delivery	1,307	1,413	4,122	3,994
General and administrative	1,748	2,040	5,584	6,370
Total operating expenses	3,055	3,453	9,706	10,364
Operating profit	227	1,916	688	5,549
Other income (expense)
Interest expense	(166)	(185)	(528)	(624)
Other, net	92	67	352	137
Total other income (expense)	(74)	(118)	(176)	(487)
Income from operations before income taxes	153	1,798	512	5,062
Income tax expense	5	540	62	1,565
Net income	$ 148	$ 1,258	$ 450	$ 3,497
Net income per share:
Basic earnings per share of common stock	$ 0.02	$ 0.17	$ 0.06	$ 0.46
Diluted earnings per share of common stock	$ 0.02	$ 0.17	$ 0.06	$ 0.45
Basic weighted average shares outstanding	7,566	7,628	7,571	7,619
Diluted weighted average shares outstanding	7,615	7,683	7,624	7,855