Annual report pursuant to Section 13 and 15(d)

Asset Retirement Obligation (Details)

v3.10.0.1
Asset Retirement Obligation (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Asset Retirement Obligation Disclosure [Abstract]        
Decommissioning costs incurred $ 939,000 $ 939,000    
Estimated segment ARO liability 628,000 628,000    
Loss on settlement of asset retirement obligation 311,000 310,941 $ 0 $ 0
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]        
Beginning asset retirement obligation   9,170,493 11,882,943  
Liabilities assumed   0 0  
ARO accretion expense   499,562 663,065  
Liabilities settled   (628,300) 0  
Revision in cash flow estimates   (1,085,412) (3,375,515)  
Ending asset retirement obligation $ 7,956,343 $ 7,956,343 $ 9,170,493 $ 11,882,943