XML 35 R4.htm IDEA: XBRL DOCUMENT v2.4.0.8
CONDENSED STATEMENTS OF COMPREHENSIVE LOSS (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
CONDENSED STATEMENTS OF COMPREHENSIVE LOSS        
Net loss $ (8,734) $ (8,947) $ (17,174) $ (20,844)
Net unrealized gain (loss) on marketable securities 70 (31) (6) (53)
Comprehensive loss $ (8,664) $ (8,978) $ (17,180) $ (20,897)