Annual report pursuant to Section 13 and 15(d)

Investment in Joint Venture (Investee Losses in Excess of Investment) (Details)

v3.20.1
Investment in Joint Venture (Investee Losses in Excess of Investment) (Details) - Enfission LLC [Member] - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Total contributions, Ownership Interest 50.00% 50.00%
Total contributions, Carrying Amount $ 9,200,000 $ 5,600,000
Less: Share of the loss in investment in Enfission (9,200,000) (5,800,000)
Equity losses in excess of investment $ (200,000)