Annual report pursuant to Section 13 and 15(d)

Investment in Joint Venture (Investee Losses in Excess of Investment) (Details 2)

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Investment in Joint Venture (Investee Losses in Excess of Investment) (Details 2) - Enfission LLC [Member]
12 Months Ended
Dec. 31, 2018
USD ($)
Net sales and revenue $ 0
Research and development costs 6,600,000
Administrative expenses 1,100,000
Total operating loss 7,700,000
Loss from operations 7,700,000
Net loss $ 7,700,000