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Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2019
Earnings Per Share [Abstract]  
Schedule of computation of basic and diluted earnings per common share

   Three Months Ended
September 30,
   Nine Months Ended
September 30,
 
   2019   2018   2019   2018 
Earnings per common share – Basic                
                 
Net income  $1,124,655   $1,272,468   $2,849,393   $2,917,199 
                     
Weighted average number of common shares outstanding   9,390,662    9,269,704    9,373,893    9,260,219 
                     
Earnings per common share – Basic  $0.12   $0.14   $0.30   $0.32 
                     
Earnings per common share – Diluted                    
                     
Net income  $1,124,655   $1,272,468   $2,849,393   $2,917,199 
                     
Weighted average number of common shares outstanding   9,390,662    9,269,704    9,373,893    9,260,219 
                     
Dilutive effect of outstanding stock options   7,970    39,612    8,700    40,969 
                     
Weighted average number of common shares outstanding - Diluted   9,398,632    9,309,316    9,382,593    9,301,188 
                     
Earnings per common share – Diluted  $0.12   $0.14   $0.30   $0.31