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Note 12 - Net Income Per Share of Class A and Class B Common Stock (Tables)
 3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Three Months Ended March 31,

 

2014

   

2013

 

Basic EPS from Continuing Operations

 

Class A

   

Class B

   

Class A

   

Class B

 

Numerator:

                               

Income from continuing operations applicable to common stockholders

  $ 22,258     $ 2,436     $ 19,525     $ 2,357  

Distributed income applicable to common stockholders

    (3,045 )     (333 )     -       -  

Basic undistributed income from continuing operations applicable to common stockholders

  $ 19,213     $ 2,103     $ 19,525     $ 2,357  
                                 

Denominator:

                               

Weighted average number of shares outstanding used to calculate basic income per share

    23,411       2,562       22,866       2,760  
                                 

Basic income per share from continuing operations applicable to common stockholders

  $ 0.95     $ 0.95     $ 0.85     $ 0.85  

Basic distributed income per share from continuing operations applicable to common stockholders

    (0.13 )     (0.13 )     -       -  

Basic undistributed income per share from continuing operations applicable to common stockholders

  $ 0.82     $ 0.82     $ 0.85     $ 0.85  

Three Months Ended March 31,

 

2014

   

2013

 

Diluted EPS from Continuing Operations

 

Class A

   

Class B

   

Class A

   

Class B

 

Numerator:

                               

Distributed income applicable to common stockholders

  $ 3,045     $ 333     $ -     $ -  

Reallocation of distributed income as a result of conversion of dilutive stock options

    4       (4 )     -       -  

Reallocation of distributed income due to conversion of Class B to Class A common shares outstanding

    329       -       -       -  

Diluted distributed income applicable to common stockholders

  $ 3,378     $ 329     $ -     $ -  

Undistributed income from continuing operations applicable to common stockholders

  $ 19,213     $ 2,103     $ 19,525     $ 2,357  

Reallocation of undistributed income as a result of conversion of dilutive stock options

    28       (28 )     39       (39 )

Reallocation of undistributed income due to conversion of Class B to Class A

    2,075       -       2,318       -  

Diluted undistributed income from continuing operations applicable to common stockholders

  $ 21,316     $ 2,075     $ 21,882     $ 2,318  
                                 

Denominator:

                               

Weighted average number of shares outstanding used to calculate basic income per share from continuing operations

    23,411       2,562       22,866       2,760  

Weighted average number of shares from stock options

    347       -       428       -  

Conversion of Class B to Class A common shares outstanding

    2,562       -       2,760       -  

Weighted average number of shares outstanding used to calculate diluted income per share from continuing operations

    26,320       2,562       26,054       2,760  
                                 

Diluted income per share from continuing operations applicable to common stockholders

  $ 0.94     $ 0.94     $ 0.84     $ 0.84  

Diluted distributed income per share from continuing operations applicable to common stockholders

    (0.13 )     (0.13 )     -       -  

Diluted undistributed income per share from continuing operations applicable to common stockholders

  $ 0.81     $ 0.81     $ 0.84     $ 0.84  

Three Months Ended March 31,

 

2014

   

2013

 

Diluted EPS

 

Class A

   

Class B

   

Class A

   

Class B

 

Antidilutive Securities

                               

Shares issuable pursuant to stock options not included since they were antidilutive

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