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Summary of Significant Accounting Policies (Details Narrative) - shares
3 Months Ended 6 Months Ended
Dec. 22, 2017
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Summary Of Significant Accounting Policies [Line Items]          
Income tax examination, description       The Tax Cuts and Jobs Act (the "Tax Act") was enacted on December 22, 2017. The Tax Act reduces the U.S. federal corporate tax rate from 35% to 21%.  
Effective U.S. federal corporate tax rate 35.00%     21.00%  
Warrants [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Antidilutive securities excluded from computation of earnings per share, amount   9,440,796 11,716,819 9,440,796 11,716,819
Stock Options [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Antidilutive securities excluded from computation of earnings per share, amount   6,000,000 6,000,000 6,000,000 6,000,000
Unvested Restricted Stock [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Antidilutive securities excluded from computation of earnings per share, amount   3,600,000 1,500,000 3,600,000 1,500,000
December 2017 Private Placement [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Antidilutive securities excluded from computation of earnings per share, amount   1,250,000   1,250,000