Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Asset Retirement Obligations (Details)

v3.10.0.1
Summary of Significant Accounting Policies - Asset Retirement Obligations (Details) - USD ($)
Jun. 30, 2018
Dec. 31, 2017
Accounting Policies [Abstract]    
Asset retirement obligation $ 0 $ 0