Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies [Abstract]

Schedule of future minimum lease payments required under the office lease agreement

Year ending December 31,	Amount
2013	$	575
2014		575
2015		589
2016		604
2017		618
Thereafter		2,995
Total	$	5,956

Summary of aggregate undiscounted minimum commitments

Year ending December 31, 2012	Amount
2013	$	5,985
2014		4,731
2015		2,992
2016		1,800
2017		1,195
Total	$	16,703