Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2012

Derivative Instruments [Abstract]

Commodity Derivatives [Table Text Block]

Natural Gas Fixed Price Swaps

Production
Period Ending		Average	Fair Value
December 31,	Volumes	Fixed Price	Asset/(Liability) (2)
	(MMBtu)(1)	(per MMBtu)(1)
2013	705,600	$             3.798	$              179,900
2014	540,000	4.110	42,700
2015	288,000	4.224	(1,400)
2016	114,500	4.460	5,000
			$              226,200

Natural Gas Put Options

Production
Period Ending			Average	Fair Value
December 31,	Option Type	Volumes	Fixed Price	Asset (2)
		(MMBtu)(1)	(per MMBtu)(1)
2013	Puts purchased	149,900	$            3.45	$               37,800
2014	Puts purchased	124,900	3.80	47,400
2015	Puts purchased	99,900	4.00	46,900
2016	Puts purchased	99,900	4.15	60,000
				$            192,100
			Total Net Asset	$            418,300

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(1)	"MMBtu" represents million British Thermal Units.
(2)	Fair value based on forward NYMEX natural gas prices, as applicable.

Effects of Derivative Instruments on Statements of Operations [Table Text Block]

	Years Ended December 31,
	2012	2011
Gain recognized in accumulated OCI	$        131,500	$      452,800
Gain reclassified from accumulated OCI into income	$    1,612,000	$  4,657,200

Gross Fair Values of Receivable and Payable Affiliate Balances [Table Text Block]

		Gross Amounts of Recognized Assets		Gross Amounts Offset in the Balance Sheets		Net Amount of Assets Presented in the Balance Sheets
Offsetting Derivative Assets
As of December 31, 2012
Accounts receivable monetized gains-affiliate		$      851,800		$          (71,000)	$                 780,800
Long-term receivable monetized gains-affiliate		170,300		(170,300)	—
Short-term swaps		196,600		(16,700)	179,900
Short-term puts		37,800		—	37,800
		$      234,400		$          (16,700)	$                 217,700
Long-term swaps		$        87,000		$          (40,700)	$                   46,300
Long-term puts		154,300		—	154,300
		$      241,300		$          (40,700)	$                 200,600
Total derivative assets		$  1,497,800		$       (298,700)	$             1,199,100
As of December 31, 2011
Accounts receivable monetized gains-affiliate		$   1,562,200		$                   —	$             1,562,200
Long-term receivable monetized gains-affiliate		1,020,500		—	1,020,500
Total derivative assets		$  2,582,700		$                   —	$             2,582,700
	Gross Amounts of Recognized Liabilities		Gross Amounts Offset in the Balance Sheets				Net Amount of Liabilities Presented in the Balance Sheets
Offsetting Derivative Liabilities
As of December 31, 2012
Put premiums payable-affiliate	$             (71,000)		$             71,000				$                        —
Long-term put premiums payable-affiliate	(215,800)		170,300				(45,500)
Short-term swaps	$             (16,700)		$             16,700				$                        —
Long-term swaps	(40,700)		40,700				—
	$             (57,400)		$             57,400				$                        —
Total derivative liabilities	$           (344,200)		$           298,700				$              (45,500)
As of December 31, 2011
Put premiums payable-affiliate	$                       —		$                      —				$                        —
Long-term put premiums payable-affiliate	—		—				—
Total derivative liabilities	$                       —		$                      —				$                        —