A. Basis of Presentation, Accounting Policies and Recent Accounting Pronouncements (Details 1)	Dec. 31, 2016 USD ($)
Opening balance	$ 1,106,700
Accretion expense	9,300
Closing balance	1,116,000
Asset Retirement Obligation [Member]
Opening balance	434,000
Accretion expense	0
Closing balance	434,000
Contingent Land Payment [Member]
Opening balance	672,700
Accretion expense	9,300
Closing balance	$ 682,000