Quarterly report pursuant to Section 13 or 15(d)

CONDENSED STATEMENTS OF OPERATIONS

v2.4.1.9
CONDENSED STATEMENTS OF OPERATIONS (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
CONDENSED STATEMENTS OF OPERATIONS    
Contract revenues from collaborations $ 2,178us-gaap_ContractsRevenue  
Costs and expenses:    
Research and development 15,702us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost 16,869us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost
General and administrative 4,717us-gaap_GeneralAndAdministrativeExpense 5,516us-gaap_GeneralAndAdministrativeExpense
Total costs and expenses 20,419us-gaap_CostsAndExpenses 22,385us-gaap_CostsAndExpenses
Loss from operations (18,241)us-gaap_OperatingIncomeLoss (22,385)us-gaap_OperatingIncomeLoss
Interest income 48us-gaap_InvestmentIncomeInterest 82us-gaap_InvestmentIncomeInterest
Net loss $ (18,193)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (22,303)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Net loss per share, basic and diluted (in dollars per share) $ (0.21)us-gaap_EarningsPerShareBasicAndDiluted $ (0.25)us-gaap_EarningsPerShareBasicAndDiluted
Weighted average shares used in computing net loss per share, basic and diluted (in shares) 88,043us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted 87,526us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted