Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2012

Fair Value [Abstract]

Schedule Of Oil and Gas Properties and Equipment [Table Text Block]

The amounts below represent only balances measured at fair value during the period presented and still held as of the reporting date.  These balances appear as a component of the “Oil and Gas Properties and Equipment” and “Accumulated Depletion, Depreciation, Amortization and Valuation Allowances” captions on the balance sheet.

	At and for the period ended December 31, 2012:
	Total		Level 1		Level 2		Level 3		Total Valuation
Oil and gas properties and equipment	$	1,019,100	$	—	$	—	$	781,400	$	(237,700	)

	At and for the period ended December 31, 2011:
	Total		Level 1		Level 2		Level 3		Total Valuation
Oil and gas properties and equipment	$	975,000	$	—	$	—	$	224,000	$	(751,000	)