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Condensed Consolidated Statements of Operations (unaudited) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Operating expenses        
Research and development $ 4,968 $ 4,827 $ 17,719 $ 17,625
General and administrative 2,767 2,256 8,210 6,507
Change in fair value of contingent consideration 551 774 2,598 4,200
Total operating expenses 8,286 7,857 28,527 28,332
Operating loss (8,286) (7,857) (28,527) (28,332)
Other income (expense)        
Change in fair value of warrants liabilities 112 (689) 369 6,532
Interest income 34 1 76 13
Total other income (expense) 146 (688) 445 6,545
Net loss $ (8,140) $ (8,545) $ (28,082) $ (21,787)
Net loss per common share, basic and diluted $ (0.10) $ (0.11) $ (0.35) $ (0.38)
Weighted-average common shares outstanding used to calculate basic and diluted net loss per common share 79,791,075 79,583,254 79,744,807 56,916,137