CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Aug. 31, 2013	Feb. 28, 2013
Allowance for doubtful accounts (in dollars)	$ 736	$ 461
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	3,000	3,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	80,000	80,000
Common stock, shares issued	35,444	35,041
Common stock, shares outstanding	35,444	35,041