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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

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