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Earnings per Share
6 Months Ended
Jun. 30, 2018
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
Six months ended
June 30,  
June 30,
20182017
2018
2017
Numerator:
Net income $247 $375 $472 $627 
Denominator for basic net income per common share:
Weighted average common shares outstanding 12,963 12,831 12,941 12,818 
Denominator for diluted net income per share:
Weighted average common shares outstanding12,963 12,831 12,941 12,818 
Dilutive effect of stock options and restricted stock298 299 274 275 
Diluted weighted average shares13,261 13,130 13,215 13,093 
Earnings per common share:
Basic $0.02 $0.03 $0.04 $0.05 
Diluted $0.02 $0.03 $0.04 $0.05 


In the three and six months ended June 30, 2018, options to purchase 83,417 shares of common stock with exercise prices ranging from $28.15 to $33.36 were not included in the computation of dilutive income per share, due to their antidilutive effect.
In the three and six months ended June 30, 2017, 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 dilutive income per share, due to their antidilutive effect.