CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Feb. 28, 2013	Feb. 29, 2012	Mar. 04, 2013 Pro Forma (Unaudited) [Member]
Allowance for doubtful accounts (in dollars)	$ 461,000	$ 254,000
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	3,000,000	3,000,000
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	80,000,000	80,000,000
Common stock, shares issued	35,041,000	28,722,000
Common stock, shares outstanding	35,041,000	28,722,000
Bank term loan	1,800,000	3,000,000	5,000,000
Cost of acquired entity, cash paid (in dollars)			$ 52,900,000