Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.20.2
Income Taxes (Details) - USD ($)
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Income Taxes      
Income tax expense or benefit. $ 0 $ 0  
Unrecognized tax benefits liability $ 0   $ 0