COMPREHENSIVE LOSS

9 Months Ended

Sep. 30, 2011

COMPREHENSIVE LOSS

COMPREHENSIVE LOSS

4. COMPREHENSIVE LOSS

Comprehensive loss is comprised of net loss, net unrealized gains or losses on marketable securities and foreign currency translation adjustments. Total comprehensive loss for the three and nine months ended September 30, 2011 and 2010 is as follows:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2011			2010			2011			2010
Net loss	$	(9,560	)	$	(9,991	)	$	(29,182	)	$	(29,336	)
Other comprehensive income (loss):
Change in unrealized gain (loss) on investments	7			(14		)	(1		)	(27		)
Change in foreign currency translation adjustment	(12		)	(3		)	(16		)	(3		)
Total other comprehensive loss	(5		)	(17		)	(17		)	(30		)
Comprehensive loss	$	(9,565	)	$	(10,008	)	$	(29,199	)	$	(29,366	)