Earnings Per Share	3 Months Ended
Mar. 31, 2019
Earnings Per Share [Abstract]
Earnings Per Share	(6) Earnings Per Share Earnings (loss) per share is computed using the Treasury Stock Method. Options to purchase approximately 766,000 shares of common stock that were outstanding as of March 31, 2019 were not included in the computation of earnings (loss) per share for the three-month period ended March 31, 2019, as the impact of such shares would be anti-dilutive. Options to purchase approximately 205,000 shares of common stock that were outstanding as of March 31, 2018 were not included in the computation of earnings (loss) per share for the three-month period ended March 31, 2018, as the impact of such shares would be anti-dilutive.

Earnings Per Share

3 Months Ended

Mar. 31, 2019

(6) Earnings Per Share

Earnings (loss) per share is computed using the Treasury Stock Method. Options to purchase approximately 766,000 shares of common stock that were outstanding as of March 31, 2019 were not included in the computation of earnings (loss) per share for the three-month period ended March 31, 2019, as the impact of such shares would be anti-dilutive. Options to purchase approximately 205,000 shares of common stock that were outstanding as of March 31, 2018 were not included in the computation of earnings (loss) per share for the three-month period ended March 31, 2018, as the impact of such shares would be anti-dilutive.