v3.26.3
STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Cash flows from operating activities:    
Net loss $ (12,647) $ (20,144)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 32 22
Equity-based compensation 997 1,729
Amortization of right-of-use assets 124 145
Gain on lease modification (21)  
Loss on disposal of property and equipment 5  
Changes in operating assets and liabilities:    
Grant receivables 7,420 786
Prepaid expenses and other assets 807 700
Accounts payable and accrued expenses (8,794) (4,904)
Deferred grant income and other liabilities 350 670
Operating lease liabilities (127) (155)
Net cash used in operating activities (11,854) (21,151)
Cash flows from investing activities:    
Payments for property and equipment (20)  
Net cash used in investing activities (20)  
Cash flows from financing activities:    
Proceeds from the exercise of common stock options 44 65
Payment of employee withholding taxes on vested restricted stock units (175) (87)
Payments on loan payable (307) (279)
Net cash provided by financing activities 6,349 35,965
Net (decrease) increase in cash, cash equivalents and restricted cash equivalents (5,525) 14,814
Cash, cash equivalents, and restricted cash equivalents    
Cash, cash equivalents, and restricted cash equivalents - beginning of period 37,000 25,009
Cash, cash equivalents, and restricted cash equivalents - end of period 31,475 39,823
Supplemental disclosures of non-cash financing activities:    
Issuance costs included in accounts payable and accrued expenses   50
Operating lease assets and liabilities recognized during the period 306  
Registered Direct Offerings    
Cash flows from financing activities:    
Proceeds from issuance of common stock   27,940
At The Market Offering    
Cash flows from financing activities:    
Proceeds from issuance of common stock $ 6,787 $ 8,326