Asset Retirement Obligations (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Asset Retirement Obligation [Roll Forward]
Obligation for lease disposal cost, balance at beginning of period	$ 459,711	$ 450,630
Obligation for lease disposal cost, increase in lease disposal costs	0	0
Obligation for lease disposal cost, accretion expense / amortization expense	9,263	9,081
Obligation for lease disposal cost, balance at end of period	$ 468,974	$ 459,711