Subsequent Events	12 Months Ended
Dec. 31, 2019
Subsequent Events [Abstract]
Subsequent Events	17. Subsequent Events On February 24, 2020, the Company’s Board of Directors approved a leadership and organizational realignment aimed at supporting the Company’s efforts to improve operating performance and concentrate development efforts on the Company’s core programs. The organizational realignment reduces managerial layers and consolidates roles across the organization, resulting in the elimination of 13 full-time positions. These changes will take place throughout March 2020. The Company expects to incur a one-time pre-tax charge, during the first quarter of 2020, consisting of employee separation costs of approximately $1.7 million, primarily relating to severance and benefits costs. The Company also expects to incur a one-time non-cash stock compensation charge, during the first quarter of 2020, relating to accelerated vesting of executive stock awards, of approximately $2.5 million.

Subsequent Events

12 Months Ended

Dec. 31, 2019

17. Subsequent Events

On February 24, 2020, the Company’s Board of Directors approved a leadership and organizational realignment aimed at supporting the Company’s efforts to improve operating performance and concentrate development efforts on the Company’s core programs.

The organizational realignment reduces managerial layers and consolidates roles across the organization, resulting in the elimination of 13 full-time positions. These changes will take place throughout March 2020.

The Company expects to incur a one-time pre-tax charge, during the first quarter of 2020, consisting of employee separation costs of approximately $1.7 million, primarily relating to severance and benefits costs. The Company also expects to incur a one-time non-cash stock compensation charge, during the first quarter of 2020, relating to accelerated vesting of executive stock awards, of approximately $2.5 million.