v3.19.3.a.u2
STATEMENTS OF OPERATIONS - USD ($)
shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Total revenues $ 59,288 $ 44,509 $ 4,484
Costs and expenses:      
Cost of product sales 906 287  
Research and development 52,885 46,903 46,269
Selling, general and administrative 74,588 70,002 37,831
Total costs and expenses 128,379 117,192 84,100
Loss from operations (69,091) (72,683) (79,616)
Interest income 2,532 2,203 892
Interest expense (335)    
Gain on disposal of assets     732
Net loss $ (66,894) $ (70,480) $ (77,992)
Net loss per share, basic and diluted (in dollars per share) $ (0.40) $ (0.44) $ (0.62)
Weighted average shares used in computing net loss per share, basic and diluted (in shares) 167,400 160,529 126,324
Product sales, net      
Total revenues $ 43,772 $ 13,947  
Contract revenues from collaborations      
Total revenues $ 15,516 $ 30,562 $ 4,484

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