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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Revenue $ 5,824 $ 4,913
Revenue, Product and Service [Extensible Enumeration] Grant [Member] Grant [Member]
Operating expenses:    
Research and development $ 10,580 $ 9,690
General and administrative 9,939 8,544
Total operating expenses 20,519 18,234
Operating loss (14,695) (13,321)
Other income (expense):    
Financing expense (3,545)  
Change in fair value of warrants 5,654  
Warrant issuance costs (486)  
Interest income 273 400
Interest expense (179) (395)
Total other income 1,717 5
Net loss $ (12,978) $ (13,316)
Net loss per share of common stock - basic $ (1.95) $ (4.24)
Net loss per share of common stock - diluted $ (2.34) $ (4.24)
Weighted average number of shares of common stock outstanding - basic 6,640,251 3,140,925
Weighted average number of shares of common stock outstanding - diluted 7,700,774 3,140,925