Balance Sheet (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Aug. 31, 2012	Feb. 29, 2012
Balance Sheet Parenthetical [Abstract]
Allowance for doubtful accounts (in dollars)	$ 2	$ 95
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	500,000	500,000
Preferred stock, shares issued
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	2,177,832	2,267,775
Common stock, shares outstanding	2,177,832	2,267,775
Treasury stock, shares	173,287	273,230