Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Diluted weighted average number of common shares outstanding

In accordance with the treasury stock method, the Company has included the following common equivalent shares in the calculation of diluted weighted average number of common shares outstanding for the three and six month periods endedJune 30, relating to outstanding stock options and restricted stock units:

	2018	2017
Three months ended	567,969	688,155
Six months ended	596,106	673,068