Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of Commitments

Future minimum annual payments applicable to all non-cancellable operating leases and purchase obligations as of December 31, 2012are as follows (in thousands):

	Payments Due by Period
	2013		2014		2015		2016		2017		Thereafter		Total
Operating leases	$	2,896	$	2,069	$	1,509	$	1,400	$	671	$	1,157	$	9,702
Purchase obligations	650		638		—		—		—		—		1,288
Total	$	3,546	$	2,707	$	1,509	$	1,400	$	671	$	1,157	$	10,990

Schedule of Asset Retirement Obligations

Changes in AROs for the years ended December 31, 2012 and 2011 were as follows (in thousands):

	December 31, 2012		December 31, 2011
Balance, January 1	$	44	$	41
Accretion Expense	3		3
Balance, December 31	$	47	$	44