Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation, Summary of Significant Accounting Policies and Nature of Operations (Details Narrative)

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Basis of Presentation, Summary of Significant Accounting Policies and Nature of Operations (Details Narrative)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2018
USD ($)
Number
Jun. 30, 2017
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
State of incorporation     Delaware      
Date of incorporation     Jan. 08, 1992      
Accumulated deficit $ (96,060,014)   $ (96,060,014)   $ (87,821,514)  
Net loss (3,517,013) $ (1,637,663) (8,238,500) $ (3,382,966) (7,104,897)  
Working capital 24,800,000   24,800,000      
Net cash used in operating activities     (3,220,767) (2,503,042)    
Cash and cash equivalents 25,707,368 $ 3,992,160 25,707,368 $ 3,992,160 $ 4,515,398 $ 3,584,877
FDIC insured limit $ 250,000   250,000      
US Treasury Bills     10,000,000      
Cash and cash equivalents except US Treasury Bills     $ 15,700,000      
Technology business segment, description    

We are focusing our 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.

      
Ownership interest        
Number of operating business segments | Number     2      
Enfission, LLC [Member]            
Ownership interest 50.00%   50.00%