Annual report pursuant to Section 13 and 15(d)

Asset Retirement Obligation (Details)

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Asset Retirement Obligation (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2018
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
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 $ 0 $ 0 310,941
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]        
Beginning asset retirement obligation   8,044,200 7,956,343  
Liabilities assumed   0 0  
ARO accretion expense   461,713 443,969  
Liabilities settled   0 0  
Revision in cash flow estimates   256,666 (356,112)  
Ending asset retirement obligation $ 7,956,343 $ 8,762,579 $ 8,044,200 $ 7,956,343