Earnings Per Share	6 Months Ended
Jun. 30, 2017
Earnings Per Share [Abstract]
Earnings Per Share	(3) Earnings Per Share Options to purchase approximately 795,000 and 821,000 shares of common stock that were outstanding as of June 30, 2017 were not included in the computation of earnings per share for the three and six months ended June 30, 2017, respectively, as the impact of such shares would be negligible. Options to purchase approximately 550,000 and 432,000 shares of common stock that were outstanding as of June 30, 2016 were not included in the computation of earnings per share for the three and six months ended June 30, 2016, respectively, as the impact of such shares would be negligible.

Earnings Per Share

6 Months Ended

Jun. 30, 2017

(3) Earnings Per Share

Options to purchase approximately 795,000 and 821,000 shares of common stock that were outstanding as of June 30, 2017 were not included in the computation of earnings per share for the three and six months ended June 30, 2017, respectively, as the impact of such shares would be negligible. Options to purchase approximately 550,000 and 432,000 shares of common stock that were outstanding as of June 30, 2016 were not included in the computation of earnings per share for the three and six months ended June 30, 2016, respectively, as the impact of such shares would be negligible.