Notes Payable (Tables)

9 Months Ended

Sep. 30, 2012

Notes Payable

Schedule of principal payments of secured notes payable

	As of December 31, 2011		As of September 30, 2012
	(in thousands)		(unaudited) (in thousands)
Year ending December 31:
2012	$	6,775	$	2,756
2013		11,809		11,809
2014		10,847		10,847
2015		569		569
	$	30,000	$	25,981