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STOCK-BASED COMPENSATION
9 Months Ended
Nov. 30, 2013
STOCK-BASED COMPENSATION [Abstract]  
STOCK-BASED COMPENSATION

NOTE 8 - STOCK-BASED COMPENSATION

       Stock-based compensation expense is included in the following captions of the unaudited consolidated income statements (in thousands):

                Three Months Ended   Nine Months Ended
    November 30,   November 30,
    2013       2012       2013       2012
  Cost of revenues $      52   $      39   $      133   $      98
  Research and development   148     121     380     330
  Selling   112     51     270     198
  General and administrative   496     409     1,346     1,666
    $ 808   $ 620   $ 2,129   $ 2,292

       Changes in the Company's outstanding stock options during the nine months ended November 30, 2013 were as follows (options in thousands):

               Weighted
    Number of   Average
    Options       Exercise Price
  Outstanding at February 28, 2013 1,656     $      5.53
  Granted 65       15.14
  Exercised (333 )     8.28
  Forfeited or expired (7 )     4.53
  Outstanding at November 30, 2013 1,381     $ 5.32
  Exercisable at November 30, 2013          1,165     $ 4.86

       During the nine months ended November 30, 2013, upon the net share settlement exercise of 54,899 options held by four directors of the Company, the Company retained 33,222 shares to cover the aggregate option exercise price.

       Changes in the Company's unvested restricted stock shares and restricted stock units ("RSUs") during the nine months ended November 30, 2013 were as follows (restricted shares and RSUs in thousands):

         Number of       Weighted
    Restricted   Average Grant
    Shares   Date Fair
    and RSUs   Value
  Outstanding at February 28, 2013          1,338     $      4.40
  Granted 290       14.79
  Vested (589 )     3.83
  Forfeited (13 )     5.78
  Outstanding at November 30, 2013 1,026     $ 7.65

       During the nine months ended November 30, 2013, the Company retained 202,286 shares of the vested restricted stock and RSUs to satisfy the employees' minimum required statutory amount of withholding taxes.

       As of November 30, 2013, there was $7.8 million of total unrecognized stock-based compensation cost related to nonvested stock options, restricted stock and RSUs that is expected to be recognized as an expense over a weighted-average remaining vesting period of 3.2 years.