12. Earnings Per Share

Net Income per Common Share

We calculate basic earnings per share by dividing net income by the weighted average number of common shares outstanding during the period. Diluted earnings per share is computed by dividing net income by the weighted average number of common shares outstanding adjusted for the dilutive effect of stock options.

The following table shows the computation of basic and diluted earnings per share for the periods presented:

​

​

The following potentially dilutive securities were excluded from the calculation of diluted earnings per share as a result of their anti-dilutive effect:

​

​