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Share-Based Compensation	3 Months Ended
Share-Based Compensation	Mar. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Share-Based Compensation	Share-Based Compensation On March 21, 2019, the Company's compensation committee granted to certain employees seven-year non-qualified stock options to purchase a total of 274,075 shares of its common stock with an exercise price equal to $12.50 per share (which was above the closing price of the Company's common stock of $11.25 per share on the grant date) with one-third of such options vesting on each of May 15, 2019, 2020 and 2021. On March 21, 2019, the Company's compensation committee granted to certain employees restricted stock units (“RSUs”) totaling 74,000 shares of the Company's common stock. Each RSU is equal in value to one share of common stock, and one-third of the RSUs vest on each of May 15, 2019, 2020 and 2021.