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Note 6 - Net Income Per Share
12 Months Ended
Mar. 31, 2018
Notes to Financial Statements  
Earnings Per Share [Text Block]
(
6
)
Net Income Per Share
 
In accordance with the provisions of ASC Topic
260
(“
Earnings Per Share
”) basic net income per share is computed by dividing net income available to common shareholders by the weighted average number of common shares outstanding during the period. Diluted net income per common share includes the dilutive effect of potential restricted stock and the effects of the potential conversion of preferred shares, calculated using the treasury stock method. Unvested restricted stock, and convertible preferred shares issued by the Company represent the only dilutive effect reflected in diluted weighted average shares outstanding. The following is a reconciliation of the numerators and denominators of the basic and diluted net income per share computations for the periods presented (in thousands, except for per share amounts):
 
   
Year Ended March 31,
 
   
2018
   
2017
   
2016
 
Net income (numerator):
                       
Net income
  $
37,283
    $
23,819
    $
20,567
 
Shares (denominator)
                       
Weighted average number of common shares outstanding used in basic computation
   
20,346
     
20,232
     
20,124
 
Common shares issuable upon the vesting of restricted stock
   
77
     
136
     
120
 
Common shares issuable upon conversion of preferred shares
   
10
     
10
     
10
 
Shares used in diluted computation
   
20,433
     
20,378
     
20,254
 
Net income per common share:
                       
Basic
  $
1.83
    $
1.18
    $
1.02
 
Diluted
  $
1.82
    $
1.17
    $
1.02
 
 
At
March 31, 2018,
77,350
shares of common restricted stock were excluded from the computations of diluted net income per common share, as their inclusion would have had an anti-dilutive effect on diluted net income per common share. At
March 31, 2017
and
2016,
all restricted stock was included in the diluted net income per common share computation.