XML 19 R55.htm IDEA: XBRL DOCUMENT

Standardized Measure of Discounted Future Net Cash Flows Related to Proved Oil and Gas Reserves (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items]
Future cash inflows	$ 29,863,700	$ 36,256,572
Future production costs	(13,170,117)	(14,467,156)
Future development costs	(862,692)	(964,486)
Future income taxes	(2,911,225)	(4,687,201)
Future net cash flows	12,919,666	16,137,729
10% annual discount	(5,886,476)	(7,795,729)
Standardized measure of discounted future net cash flows	$ 7,033,190	$ 8,342,000

This is the amount that is derived from using a discount rate of ten percent a year to reflect the timing of the future net cash flows relating to proved oil and gas reserves.

+ References+ Details

- Definition

The estimated future income tax expenses that will be incurred based on the future income less future expenses derived from production and sale of proved oil and gas reserves in this geographic region.

+ References+ Details

- Definition

These amounts are the result of subtracting future development and production costs and future income tax expenses from future cash inflows for each geographic region where proved oil and gas reserves exist.

+ References+ Details