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NET INCOME PER SHARE (Tables)
9 Months Ended
Dec. 31, 2012
NET INCOME PER SHARE [Abstract]  
Reconciliation of weighted average number of common shares outstanding used in calculating basic and diluted net income per share
The following is a reconciliation of the weighted average number of common shares outstanding used in calculating basic and diluted net income per share (in thousands, except share and per share data):

   
Three Months Ended
  
Nine Months Ended
 
   
December 31,
  
December 31,
 
   
2012
  
2011
  
2012
  
2011
 
Numerator:
            
  Net income
 $4,988  $2,850  $20,761  $8,385 
Denominator:
                
  Weighted average common shares outstanding - basic
  21,968,000   21,672,000   21,902,000   22,213,000 
  Weighted average effect of dilutive securities:
                
    Stock options
  87,000   107,000   101,000   139,000 
    Restricted stock units
  258,000   185,000   285,000   212,000 
    Warrants
  28,000   26,000   28,000   15,000 
  Weighted average common shares outstanding - diluted
  22,341,000   21,990,000   22,316,000   22,579,000 
Net income per share:
                
  Basic net income per share
 $0.23  $0.13  $0.95  $0.38 
  Diluted net income per share
 $0.22  $0.13  $0.93  $0.37 

Antidilutive securities excluded from computation of diluted weighted average shares outstanding
We excluded the following restricted stock units from the computation of diluted weighted average shares outstanding because the inclusion of these awards would be antidilutive to net income per share:

   
Three Months Ended
  
Nine Months Ended
 
   
December 31,
  
December 31,
 
   
2012
  
2011
  
2012
  
2011
 
Weighted average number of shares underlying antidilutive restricted stock units
  -   307,000   31,000   249,000