Computation of Basic and Diluted Earnings Per Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2013	Nov. 30, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net Income, Basic-continuing operations	$ (812)	$ (636)	$ (1,915)	$ (1,911)
Net Income, Basic-discontinued operations	196	784	2,563	2,361
Net Income, Diluted	$ (616)	$ 148	$ 648	$ 450
Weighted Average Common Shares Outstanding, Basic-continuing operations	7,593	7,566	7,590	7,571
Weighted average shares outstanding, Diluted	7,609	7,615	7,614	7,624
Earnings Per Share, Basic-continuing operations	$ (0.11)	$ (0.08)	$ (0.25)	$ (0.25)
Earnings Per Share, Basic-discontinued operations	$ 0.03	$ 0.10	$ 0.34	$ 0.31
Earnings Per Share, Diluted	$ (0.08)	$ 0.02	$ 0.09	$ 0.06
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted Average Common Shares Outstanding, Options	16	49	24	53
Effect of dilution options, earning per share	$ 0.00	$ 0.00	$ 0.00	$ 0.00