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STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Operating expenses:    
Research and development $ 9,698 $ 5,323
In process research and development acquired 0 250
General and administrative 10,238 6,853
Loss on disposal of property and equipment 0 66
Total operating expenses 19,936 12,492
Operating loss (19,712) (12,492)
Other income (expense):    
Interest income 147 19
Interest expense (711) (932)
Change in fair value of liability instruments 1 6
Total other expense (563) (907)
Net loss $ (20,275) $ (13,399)
Net loss per share, basic $ (0.77) $ (1.11)
Net loss per share, diluted $ (0.77) $ (1.11)
Basic weighted average shares used in calculating net loss per share attributable to common stockholders 26,255,256 12,089,186
Diluted weighted average shares used in calculating net loss per share attributable to common stockholders 26,255,256 12,089,186
Grant [Member]    
Revenue $ 224