Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2013

Fair Value Measurements [Abstract]

Summary of financial assets and liabilities at fair value

	Fair Value Measurements Using
(in thousands)	Level 1		Level 2		Level 3		Total
June 30, 2013
Assets:
Commodity derivatives	$	-	$	85	$	-	$	85
December 31, 2012
Liabilities:
Commodity derivatives	$	-	$	87	$	-	$	87