Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

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Income Taxes (Details) - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Income tax provision $ 0 $ 0  
Effective income tax rate 0.00% 0.00%  
Deferred tax expense     $ 1,600,000