CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	May. 31, 2015	Feb. 28, 2015
CONSOLIDATED BALANCE SHEETS [Abstract]
Allowance for doubtful accounts (in dollars)	$ 670	$ 673
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	36,280	36,225
Common stock, shares outstanding	36,280	36,225