Supplemental Information on Oil & Natural Gas Exploration and Production Activities (unaudited) (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Discounted Future Net Cash Flows
Future cash inflows	$ 148,640	$ 1,076,880	$ 4,998,080
Future production costs	(90,140)	(324,970)	(2,355,900)
Future net cash flows	58,500	751,910	2,642,180
Effect of discounting net cash flows at 10%	(3,190)	(96,690)	(544,380)
Discounted future net cash flows	55,310	655,220	2,097,800
Changes in the standardized measure of discounted future net cash flows relating to proved crude oil and natural gas reserves
Standardized measure at beginning of period	655,220	2,097,800	1,323,360
Net change in sales price, net of production costs	(254,621)	171,135	599,658
Revisions of quantity estimates	(150,827)	(28,147)	1,060,019
Changes in production timing rates	(83,093)	(92,615)	172,591
Accretion of discount	65,522	209,780	132,336
Sales net of production costs	(176,891)	(795,462)	(1,190,164)
Sales of minerals in place		(907,271)
Net increase (decrease)	(599,910)	(1,442,580)	774,440
Standardized measure at end of year	$ 55,310	$ 655,220	$ 2,097,800