Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies

Schedule of information about total operating lease obligations

The following table provides information about our total operating lease obligations as of December 31, 2012:

	Operating leases (1)
2013	$	2,301,131
2014	1,050,151
2015	947,916
2016	961,813
2017	975,711
Thereafter	1,237,878
Total	$	7,474,600

(1) Operating leases include contracts related to office space, compressors, vehicles, office equipment and other.  Operating lease commitments exclude a sublease of office space that is expected to reduce operating lease expense in 2013 and 2014 by approximately $1.0 million and $85,000, respectively