Enfission was inactive at June 30, 2020 and December 31, 2019. The Company did not invest in Enfission during the six months ended June 30, 2020 and invested approximately $9.2 million in Enfission from Enfission’s date of inception of January 24, 2018 to December 31, 2019. The Company did not charge Enfission an administrative and management services fee for the three months and six months ended June 30, 2020. For the three months and six months ended June 30, 2019, the Company charged Enfission an administrative and management services fee of $100,000 and $200,000, respectively.

The Company had also provided research and development consulting services to Enfission in 2019. The total consulting services of $0.3 million for the three months ended June 30, 2019, and $0.7 million for the six months ended June 30, 2019, were recorded under the caption “Other income from joint venture” in the accompanying condensed consolidated statement of operations.

As of June 30, 2020, there was no receivable due from Enfission. At December 31, 2019, the total receivable due from Enfission was approximately $0.4 million, which represents management and administrative services Lightbridge charged to Enfission for the year ended December 31, 2019, and this amount was paid in 2020.