Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.19.2
Income Taxes (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Income Tax Disclosure [Abstract]        
Income tax provision $ 0 $ 0 $ 0 $ 0
Effective income tax rate 0.00% 0.00% 0.00% 0.00%