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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Revenue:        
Total revenue $ 168 $ 2,514 $ 996 $ 2,886
Operating expenses:        
Research and development 3,836 8,599 9,939 17,350
General and administrative 2,706 2,857 5,429 6,214
Total operating expenses 6,542 11,456 15,368 23,564
Loss from operations (6,374) (8,942) (14,372) (20,678)
Other income (expense):        
Interest and other income 33 275 128 614
Interest and other expense (94) (229) (235) (461)
Net loss (6,435) (8,896) (14,479) (20,525)
Change in unrealized gain on investments 0 9 0 14
Comprehensive loss (6,435) (8,887) (14,479) (20,511)
Net loss $ (6,435) $ (8,896) $ (14,479) $ (20,525)
Net loss per share, basic and diluted (in dollars per share) $ (0.12) $ (0.29) $ (0.29) $ (0.66)
Weighted-average shares used to compute basic and diluted net loss per share (in shares) 53,077,348 30,983,918 49,276,843 30,935,272
Collaboration revenue        
Revenue:        
Total revenue $ 0 $ 2,498 $ 681 $ 2,846
Grant revenue        
Revenue:        
Total revenue $ 168 $ 16 $ 315 $ 40