Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Contractual Obligation, Fiscal Year Maturity Schedule

Future minimum payments by year under non-cancelable leases with initial terms in excess of one year were as follows as of December 31, 2012:

2013	$	655
2014	474
2015 and thereafter	—
	$	1,129