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Commitments and Contingencies | 6 Months Ended
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Jun. 30, 2020
Commitments and Contingencies Disclosure [Abstract] |
Commitments and Contingencies | Note 2 - Commitments and Contingencies Agreements The Company has entered into agreements with third parties for the rights to certain intellectual property, manufacturing and clinical trial services under which the Company may incur obligations to make payments including upfront payments as well as milestone and royalty payments. Notable inclusions in this category are:
| a. | Oak Ridge National Laboratory ("ORNL") – The Company is contracted to purchase radioactive material to be used for research and development, with a renewal option at the contract end. During the six months ended June 30, 2020 and 2019, the Company purchased material from ORNL of $0.1 million in each period. In November 2019, the Company signed a contract with ORNL to purchase $0.3 million of radioactive material during calendar year 2020.
| b. | On June 15, 2012, the Company entered into a license and sponsored research agreement with Fred Hutchinson Cancer Research Center ("FHCRC") to build upon previous and ongoing clinical trials with BC8 (licensed antibody). FHCRC has completed both a Phase 1 and Phase 2 clinical trial with BC8. The Company has been granted exclusive rights to the BC8 antibody and related master cell bank developed by FHCRC. A milestone payment of $1 million will be due to FHCRC upon FDA approval of the first drug utilizing the licensed BC 8 antibody. Upon commercial sale of the drug, royalty payments of 2% of net sales will be due to FHCRC.
Collaborative Agreement In March 2018, the Company entered into a research and option agreement with Astellas Pharma Inc. ("Astellas") to develop ARCs using the Company's AWE Technology Platform. Under this collaboration, the Company will utilize its AWE Platform to conjugate and label selected Astellas targeting agents with an Actinium-225 payload. The Company is also responsible for conducting preclinical validation studies on any ARCs generated. Payments from Astellas under this agreement are accounted for as a reduction to research and development expense.

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