Comprehensive Loss

9 Months Ended

Sep. 30, 2011

Comprehensive Loss

Comprehensive Loss

3. Comprehensive Loss

Comprehensive loss is comprised of net loss and changes in other comprehensive income (loss), which consists of unrealized gains and losses on the Company’s marketable securities. Comprehensive loss was as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
(in thousands)	2011			2010			2011			2010
Net loss	$	(30,626	)	$	(21,222	)	$	(78,337	)	$	(64,563	)
Other comprehensive income (loss):
Net unrealized gain (loss) on available-for-sale securities	(17		)	103			24			42
Comprehensive loss	$	(30,643	)	$	(21,119	)	$	(78,313	)	$	(64,521	)