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CONDENSED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid in Capital
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2023   13,709,377    
Beginning balance, equity at Dec. 31, 2023 $ 13,162 $ 1 $ 63,676 $ (50,515)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Exercise of warrants (in shares)   2,500    
Exercise of warrants 8   8  
Stock-based compensation expense 1,155   1,155  
Net loss (4,603)     (4,603)
Ending balance (in shares) at Mar. 31, 2024   13,711,877    
Ending balance, equity at Mar. 31, 2024 9,722 $ 1 64,839 (55,118)
Beginning balance (in shares) at Dec. 31, 2024   15,122,873    
Beginning balance, equity at Dec. 31, 2024 2,918 [1] $ 2 69,699 (66,783)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of common stock in ATM offering, net of $17 issuance costs (in shares)   141,996    
Issuance of common stock in ATM offering, net of $17 issuance costs 328   328  
Stock-based compensation expense 435   435  
Net loss (3,347)     (3,347)
Ending balance (in shares) at Mar. 31, 2025   15,264,869    
Ending balance, equity at Mar. 31, 2025 $ 334 $ 2 $ 70,462 $ (70,130)
[1] Derived from audited financial statements