Asset Retirement Obligations (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Asset Retirement Obligation Disclosure [Abstract]
Obligation for lease disposal cost, balance at beginning of period	$ 483,391	$ 446,578
Obligation for lease disposal cost, increase in lease disposal costs	0	0
Obligation for lease disposal cost, accretion expense / amortization expense	39,847	36,813
Obligation for lease disposal cost, balance at end of period	523,238	483,391
Capitalized lease disposal cost, balance at beginning of period	113,503	140,934
Capitalized lease disposal cost, increase in lease disposal costs	0	0
Capitalized lease disposal cost, accretion expense / amortization expense	(11,004)	(27,431)
Capitalized lease disposal cost, balance at end of period	$ 102,499	$ 113,503