XML 48 R38.htm IDEA: XBRL DOCUMENT v3.10.0.1
Asset Retirement Obligations - Schedule of Asset Retirement Obligations (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Asset Retirement Obligation Disclosure [Abstract]          
Asset retirement obligations at beginning of period     $ 2,527,259
Additions     1,127,344   2,302,500
Accretion expense $ 95,803 $ 60,137 273,328 $ 163,118 224,759
Asset retirement obligations at end of period $ 3,927,931   $ 3,927,931   $ 2,527,259