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STATEMENTS OF OPERATIONS (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Costs and expenses:        
Research and development $ 3,577 $ 372 $ 6,453 $ 737
General and administrative 1,260 938 2,486 1,913
Total costs and expenses 4,837 1,310 8,939 2,650
Loss from operations (4,837) (1,310) (8,939) (2,650)
Interest and other income 3 2 5 26
Interest expense   (3)   (7)
Loss before income taxes (4,834) (1,311) (8,934) (2,631)
Income tax benefit   9   9
Net loss $ (4,834) $ (1,302) $ (8,934) $ (2,622)
Net loss per share:        
Basic and diluted $ (0.34) $ (0.73) $ (0.67) $ (1.55)
Weighted average shares outstanding:        
Basic and diluted 14,410,143 1,793,900 13,389,207 1,693,985