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Earnings per Share
3 Months Ended
Mar. 31, 2019
Earnings Per Share [Abstract]  
Earnings per Share Earnings per Share
The following table reconciles the numerators and denominators of the basic and diluted earnings per share computation (in thousands, except per share data):

Three months ended
March 31,
20192018
Numerator:
Net income$357 $225 
Denominator for basic net income per common share:
Weighted average common shares outstanding13,064 12,920 
Denominator for diluted net income per share:
Weighted average common shares outstanding13,064 12,920 
Dilutive effect of stock options and restricted stock204 249 
Diluted weighted average shares13,268 13,169 
Earnings per common share:
Basic$0.03 $0.02 
Diluted$0.03 $0.02 

In the three months ended March 31, 2019, options to purchase 174,834 shares of common stock with exercise prices ranging from $18.75 to $33.36 were not included in the computation of diluted income per share, due to their antidilutive effect.

In the three months ended March 31, 2018, options to purchase 83,917 shares of common stock with exercise prices ranging from $28.15 to $33.36 were not included in the computation of diluted income per share, due to their antidilutive effect.