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Basis of Presentation, Summary of Significant Accounting Policies and Nature of Operations (Details Narrative) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
State of Incorporation | Nevada |  |
Date of incorporation | Feb. 02, 1999 |  |
Accumulated Deficit | $ (103,497,622) | $ (87,821,514) |
Net loss | (15,676,108) | (7,104,897) |
Working capital | 24,300,000 |  |
Net Cash Used In Operating Activities | (7,421,189) | (5,003,328) |
Cash and cash equivalents | $ 24,637,295 | 4,515,398 | $ 3,584,877
Technology business segment, description | The Company is focusing its technology development efforts on the metallic fuel with a potential power uprate of up to 10% and an operating cycle extended from 18 to 24 months in existing Westinghouse-type four-loop pressurized water reactors. |  |
US Treasury Bills | $ 10,000,000 | $ 0 |
Cash and cash equivalents except US Treasury Bills | 14,600,000 |  |
Cash, FDIC insured amount | $ 250,000 |  |
Minimum [Member] |  |  |
Patents estimated useful life | 17 years |  |
Maximum [Member] |  |  |
Patents estimated useful life | 20 years |  |
Enfission LLC [Member] |  |  |
Total contributions | $ 5,600,000 |  |
Share of the loss in investment in Enfission | $ (5,800,000) |  |
Equity method investment, description | The Company’s share of the joint venture losses for the year ended December 31, 2018 have exceeded its capital contributions by approximately $0.2 million and as a result, in accordance with equity method accounting, its share of the equity losses in excess of the equity contributions made in 2018 have been recorded as investee loss in excess of investment |  |
Equity losses in excess of investment | $ (200,000) |  |
Equity method investment, ownership interest | 50.00% |  |

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