Commitments (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

Future minimum lease payments as of December 31, 2012 are as follows (in thousands):

2013	$	1,572
2014	1,473
2015	643
2016 and thereafter	—
Total	$	3,688