Restructuring Activities	3 Months Ended
Mar. 31, 2021
Restructuring And Related Activities [Abstract]
Restructuring Activities	5. Restructuring Activities 2020 Restructuring Plan During the three months ended September 30, 2020, the Company commenced the implementation of a restructuring and reduction-in- force plan to reduce the Company’s operating costs and address the impact of the COVID-19 pandemic. The plan included the reduction of the Company’s global workforce by approximately 60 employees, approximately half of which were located outside of the United States. As of March 31, 2021, the planned workforce reductions were substantially complete. During the three months ended March 31, 2021, the Company recorded $3 of restructuring-related expenses in connection with the 2020 Restructuring Plan in the accompanying condensed consolidated statements of comprehensive loss. During the three months ended March 31, 2020, the Company recorded $43 of restructuring-related expenses in connection with other organizational restructuring plans, in the accompanying condensed consolidated statements of comprehensive loss.

Restructuring Activities

3 Months Ended

Mar. 31, 2021

Restructuring And Related Activities [Abstract]

5. Restructuring Activities

2020 Restructuring Plan

During the three months ended September 30, 2020, the Company commenced the implementation of a restructuring and reduction-in- force plan to reduce the Company’s operating costs and address the impact of the COVID-19 pandemic. The plan included the reduction of the Company’s global workforce by approximately 60 employees, approximately half of which were located outside of the United States. As of March 31, 2021, the planned workforce reductions were substantially complete.

During the three months ended March 31, 2021, the Company recorded $3 of restructuring-related expenses in connection with the 2020 Restructuring Plan in the accompanying condensed consolidated statements of comprehensive loss. During the three months ended March 31, 2020, the Company recorded $43 of restructuring-related expenses in connection with other organizational restructuring plans, in the accompanying condensed consolidated statements of comprehensive loss.