Condensed Statements of Operations (Unaudited) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Operating expenses:        
Research and development $ 9,161 $ 3,731 $ 13,544 $ 3,731
General and administrative 1,004 256 1,657 299
Total operating expenses 10,165 3,987 15,201 4,030
Operating loss (10,165) (3,987) (15,201) (4,030)
Other income (expense):        
Interest income 45 30 102 30
Change in fair value of warrant liability (219) (86) (303) (86)
Other income (expense), net (174) (56) (201) (56)
Net loss (10,339) (4,043) (15,402) (4,086)
Accretion on Series A Convertible Redeemable Preferred Stock (126) (90) (251) (90)
Net loss attributable to common stockholders $ (10,465) $ (4,133) $ (15,653) $ (4,176)
Net loss per common share, basic and diluted $ (1.05) $ (0.44) $ (1.57) $ (0.48)
Weighted average common share outstanding, basic and diluted 10,000,000 9,473,000 10,000,000 8,740,000