Subsequent Events	9 Months Ended
Sep. 30, 2020
Subsequent Events [Abstract]
Subsequent Events	15. Subsequent Events License Agreement with Personalized Stem Cells, Inc. On October 12, 2020, the Company entered into a license agreement (the “License Agreement”) with Personalized Stem Cells, Inc. (“PSC”). Pursuant to the License Agreement, PSC granted the Company an exclusive license and right under certain patents, certain know-how and other intellectual property to fully utilize, exploit and commercialize certain products and services using allogeneic adipose-derived stem cells for or in respect of human health, including the diagnosis and treatment and/or cure of any human disease or disorder (excluding commercial sales for the diagnosis, treatment and/or cure of SARS-CoV-2 or other respiratory diseases in the People’s Republic of China) worldwide (excluding the People’s Republic of China for products directed at COVID-19 or other respiratory diseases). PSC also agreed to transfer certain cell lines composed of stromal vascular cells, master cell banks and finished final drug lots (the “Product Materials”) to the Company. The Company agreed to grant PSC rights to use data derived by the Company from a certain Phase I COVID-19 study for PSC’s own programs that are not competitive with the businesses or activities of the Company, and for PSC to sublicense such data to third parties for research, development and regulatory purposes. As consideration for the license under the License Agreement, the Company has agreed to pay PSC an upfront license fee of $3.5 million in cash. The Company also agreed to pay PSC (i) a milestone payment upon the issuance of a regulatory approval, and (ii) certain milestone payments upon PSC’s manufacture and delivery of the Product Materials to the Company. The Company will also pay royalties in the low-single digit percentages of annual net sales of licensed products and services by the Company and a share of any sublicense revenue received by the Company from sublicensees.

Subsequent Events

9 Months Ended

Sep. 30, 2020

15. Subsequent Events

License Agreement with Personalized Stem Cells, Inc.

On October 12, 2020, the Company entered into a license agreement (the “License Agreement”) with Personalized Stem Cells, Inc. (“PSC”). Pursuant to the License Agreement, PSC granted the Company an exclusive license and right under certain patents, certain know-how and other intellectual property to fully utilize, exploit and commercialize certain products and services using allogeneic adipose-derived stem cells for or in respect of human health, including the diagnosis and treatment and/or cure of any human disease or disorder (excluding commercial sales for the diagnosis, treatment and/or cure of SARS-CoV-2 or other respiratory diseases in the People’s Republic of China) worldwide (excluding the People’s Republic of China for products directed at COVID-19 or other respiratory diseases). PSC also agreed to transfer certain cell lines composed of stromal vascular cells, master cell banks and finished final drug lots (the “Product Materials”) to the Company. The Company agreed to grant PSC rights to use data derived by the Company from a certain Phase I COVID-19 study for PSC’s own programs that are not competitive with the businesses or activities of the Company, and for PSC to sublicense such data to third parties for research, development and regulatory purposes.

As consideration for the license under the License Agreement, the Company has agreed to pay PSC an upfront license fee of $3.5 million in cash. The Company also agreed to pay PSC (i) a milestone payment upon the issuance of a regulatory approval, and (ii) certain milestone payments upon PSC’s manufacture and delivery of the Product Materials to the Company. The Company will also pay royalties in the low-single digit percentages of annual net sales of licensed products and services by the Company and a share of any sublicense revenue received by the Company from sublicensees.