Annual report pursuant to Section 13 and 15(d)

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

v3.21.1
Investment in Joint Venture (Investee Losses in Excess of Investment) (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Enfissions LLC [Member]    
Total contributions, Carrying Amount $ 9,200,000 $ 9,200,000
Research and Development cost   2,100,000
Total receivables due amount $ 0 400,000
Ownership percentage 50.00%  
February 11, 2021 [Member]    
Amount payable for settlement agreement $ 4,200,000  
Framatome [Member]    
Total contributions, Carrying Amount $ 2,900,000  
Research and Development cost   $ 1,300,000