CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $) In Thousands, except Per Share data, unless otherwise specified	Nov. 30, 2012	Feb. 28, 2012
Allowance for doubtful accounts (in dollars)	$ 423	$ 254
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	3,000	3,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	80,000	80,000
Common stock, shares issued	29,813	28,722
Common stock, shares outstanding	29,813	28,722