Other Long-term Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Other Liabilities Disclosure [Abstract]

Schedule of Capital Leased Assets [Table Text Block]

	December 31,
	2012		2011
Compression equipment	$	37,199	$	37,199
Less: Accumulated amortization		(13,813)		(10,361)
Net assets under capital lease	$	23,386	$	26,838
The following are the minimum lease payments to be made in each of the following years indicated for the capital lease in effect as of December 31, 2012 (in thousands):

Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]

Fiscal Year
2013	$	4,583
2014		4,582
2015		4,582
2016		4,582
2017		6,910
Thereafter		5,189
Less: Interest		(5,171)
Net minimum lease payments under capital lease		25,257
Less: Current portion of net minimum lease payments		(4,448)
Long-term portion of net minimum lease payments	$	20,809