XML 53 R41.htm IDEA: XBRL DOCUMENT v3.22.1
Capital Stock (Tables)
 12 Months Ended
Dec. 31, 2021
Equity [Abstract]  
Summary of Activities in Shares of Capital Stock

The following table summarizes the activity in shares of capital stock.

 

   Class A   Class C 
Outstanding shares at December 31, 2019   16,107,779    2,500,887 
           
Exercise of stock options   68,970    130,820 
Stock dividends   405,210    61,720 
Conversion of Class C to Class A   13,824    (13,824)
           
Outstanding shares at December 31, 2020   16,595,783    2,679,603 
           
Exercise of stock options   160,282    104,656 
Stock dividends   837,410    131,553 
Conversion of Class C to Class A   49,247    (49,247)
           
Outstanding shares at December 31, 2021   17,642,722    2,866,565 
Schedule of Earnings Per Share, Basic and Diluted

Earnings per share amounts have been retroactively adjusted for the effect of annual stock dividends. In accordance with GAAP, the basic and diluted earnings per share amounts were calculated as follows:

 

   2021   2020 
   Years Ended December 31 
   2021   2020 
Numerator:        
Net earnings  $39,518,990   $55,596,613 
           
Denominator:          
Denominator for basic earnings per share-weighted-average shares   20,154,878    19,788,984 
           
Effect of dilutive securities          
Employee stock options   774,206    465,423 
Dilutive potential common shares   774,206    465,423 
           
Denominator for diluted earnings per share-adjusted weighted-average          
shares and assumed conversions   20,929,084    20,254,407 
           
Basic earnings per share  $1.96   $2.81 
Diluted earnings per share  $1.89   $2.74