Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2013

Equity [Abstract]

Schedule of Comprehensive Loss and its Components

Comprehensive loss and its components are as follows (in thousands):

	Nine months ended September 30,
	2013			2012
Net loss	$	(20,909	)	$	(5,683	)
Other comprehensive loss:
Change in unrealized loss on available-for-sale securities		—			(1	)
Comprehensive loss	$	(20,909	)	$	(5,684	)