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Note 8 - Earnings Per Share
3 Months Ended
Mar. 31, 2018
Notes to Financial Statements  
Earnings Per Share [Text Block]
 
8.
EARNINGS PER SHARE
 
Net income per share of the Company's former class A common stock and class B common stock is computed using the
two
-class method. Basic net income per share is computed by allocating undistributed earnings to common shares and using the weighted-average number of common shares outstanding during the period.
 
Diluted net income per share is computed using the weighted-average number of common shares and, if dilutive, the potential common shares outstanding during the period. Potential common shares consist of the incremental common shares issuable upon the exercise of stock options and vesting of restricted stock. The dilutive effect of outstanding stock options is reflected in diluted earnings per share by application of the treasury stock method.
 
The liquidation rights and the rights upon the consummation of an extraordinary transaction were the same for the holders of the Company's former class A common stock and class B common stock. Other than share distributions and liquidation rights, the amount of any dividend or other distribution payable on each share of class A common stock was equal to
one
-
sixth
(
1/6th
) of the amount of any such dividend or other distribution payable on each share of class B common stock. As a result, the undistributed earnings for each period are allocated based on the contractual participation rights of the class A and class B common stock as if the earnings for the period had been distributed.
 
For the
three
months ended
March 31, 2017,
128,530
options of class A shares have been excluded from the diluted net income per share computation because the exercise or grant price exceeded the fair market value. For the
three
months ended
March 31, 2018
and
2017
an additional
72,860
and
123,274
of class A shares, respectively were excluded as their inclusion would be anti-dilutive. An additional
49,320
of class B shares were excluded for the
three
months ended
March 31, 2017
as their inclusion would be anti-dilutive.
 
   
For the Three Months
Ended March 31, 2018
   
For the Three Months
Ended March 31, 2017
 
   
Class A
Common
Stock
   
Class B
Common
Stock
   
Class A
Common
Stock
   
Class B
Common
Stock
 
   
(In thousands, except per share data)
 
Numerator for net income per share - basic:
                               
Net income
  $
3,630
    $
3,676
    $
3,234
    $
3,287
 
Allocation of distributed and undistributed income to unvested restricted stock shareholders
   
(15
)
   
(14
)
   
(27
)
   
(27
)
Net income attributable to common shareholders
  $
3,615
    $
3,662
    $
3,207
    $
3,260
 
Denominator for net income per share - basic:
                               
Weighted average common shares outstanding - basic
   
20,884
     
3,527
     
20,737
     
3,513
 
Net income per share – basic
  $
0.17
    $
1.04
    $
0.15
    $
0.93
 
Numerator for net income per share - diluted:
                               
Net income attributable to common shareholders for basic computation
  $
3,615
    $
3,662
    $
3,207
    $
3,260
 
Denominator for net income per share - diluted:
                               
Weighted average common shares outstanding - basic
   
20,884
     
3,527
     
20,737
     
3,513
 
Weighted average effect of dilutive securities – stock options
   
953
     
103
     
508
     
63
 
Denominator for diluted earnings per share – adjusted weighted average shares
   
21,837
     
3,630
     
21,245
     
3,576
 
Net income per share – diluted
  $
0.17
    $
1.01
    $
0.15
    $
0.91