XML 95 R40.htm IDEA: XBRL DOCUMENT v3.25.4
Description of the Business and Financial Condition (Details) - USD ($)
1 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2025
Jun. 30, 2025
Jan. 31, 2025
Aug. 31, 2024
Jul. 31, 2024
Mar. 31, 2024
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Sep. 30, 2025
Jun. 30, 2024
May 31, 2022
Subsidiary, Sale of Stock [Line Items]                        
Accumulated deficit             $ 233,672,000 $ 233,672,000 $ 194,101,000      
Exercise price (in dollars per share)             $ 4.68 $ 4.68 $ 3.85      
Proceeds from issuance of common stock from at-the-market offerings, net of issuance costs.               $ 16,244,000 $ 4,555,000      
Proceeds from issuance of common stock and common warrants from January 2025 Offering       $ 19,700,000       9,143,000 0      
Cash and cash equivalents             $ 18,563,000 $ 18,563,000 $ 17,618,000      
Convertible Debt                        
Subsidiary, Sale of Stock [Line Items]                        
Proceeds from issuance of common stock and common warrants from January 2025 Offering       $ 19,700,000                
Senior Secured Convertible Promissory Note                        
Subsidiary, Sale of Stock [Line Items]                        
Number of shares of common stock to purchase (up to) (in shares)   103,225               103,225    
Exercise price (in dollars per share)   $ 7.75                    
Warrants, contractual term (in years)   5 years                    
Stated interest rate (as a percent)             12.50% 12.50%        
Debt instrument, face amount   $ 10,000,000.0                    
Proceeds from issuance of long-term debt   $ 9,900,000                    
Senior Secured Convertible Promissory Note | Convertible Debt                        
Subsidiary, Sale of Stock [Line Items]                        
Stated interest rate (as a percent)       3.00%                
Debt instrument, face amount       $ 20,000,000.0                
January Common Warrants                        
Subsidiary, Sale of Stock [Line Items]                        
Number of shares of common stock to purchase (up to) (in shares)     1,261,830                  
Issuance of common stock, net of issuance costs (in shares)             1,261,830          
Warrants, contractual term (in years)     5 years                  
Common Stock | Pre-Funded Warrant                        
Subsidiary, Sale of Stock [Line Items]                        
Number of shares of common stock to purchase (up to) (in shares) 3,500,573                      
Share price (in dollars per share)     $ 7.925                  
Exercise price (in dollars per share)     7.80                  
Accrued interest $ 300,000                      
Common Stock | January Common Warrants                        
Subsidiary, Sale of Stock [Line Items]                        
Share price (in dollars per share)     7.925                  
Exercise price (in dollars per share)     $ 7.80                  
Proceeds from issuance of common stock from at-the-market offerings, net of issuance costs.     $ 9,200,000                  
Registration Statement                        
Subsidiary, Sale of Stock [Line Items]                        
Sale of stock, aggregate offering price                       $ 100,000,000
At-The-Market Equity Offering Sales Agreement                        
Subsidiary, Sale of Stock [Line Items]                        
Sale of stock, aggregate offering price                       $ 21,000,000
At-The-Market Equity Offering Sales Agreement 2022                        
Subsidiary, Sale of Stock [Line Items]                        
Sale of stock, aggregate offering price                     $ 40,000,000  
At-The-Market Equity Offering Sales Agreement 2022 | Common Stock                        
Subsidiary, Sale of Stock [Line Items]                        
Shares sold in offering (in shares)                 650,179      
Net proceeds                 $ 5,400,000      
2024 Registration Statement                        
Subsidiary, Sale of Stock [Line Items]                        
Sale of stock, aggregate offering price                     $ 200,000,000  
At-The-Market Equity Offering Sales Agreement 2024 | Common Stock                        
Subsidiary, Sale of Stock [Line Items]                        
Shares sold in offering (in shares)               1,717,507 53,795      
Net proceeds               $ 16,200,000 $ 300,000      
Private Placement | Pre-Funded Warrant | March 2024 Pre-Funded Warrants                        
Subsidiary, Sale of Stock [Line Items]                        
Net proceeds           $ 6,000,000.0            
Number of shares of common stock to purchase (up to) (in shares)           1,032,702            
Share price (in dollars per share)           $ 5.81            
Exercise price (in dollars per share)           0.01            
March Subscription Agreement | Pre-Funded Warrant                        
Subsidiary, Sale of Stock [Line Items]                        
Exercise price (in dollars per share)           $ 0.01            
July Public Offering                        
Subsidiary, Sale of Stock [Line Items]                        
Net proceeds         $ 10,900,000              
Issuance of common stock, net of issuance costs (in shares)         500,000              
July Public Offering | July Share And July Common Warrant                        
Subsidiary, Sale of Stock [Line Items]                        
Price per share of shares issued (in dollars per share)         $ 5.00              
July Public Offering | Pre-Funded Warrant                        
Subsidiary, Sale of Stock [Line Items]                        
Exercise price (in dollars per share)         $ 0.01              
July Public Offering | July Pre-Funded Warrants                        
Subsidiary, Sale of Stock [Line Items]                        
Number of shares of common stock to purchase (up to) (in shares)         1,800,000              
Exercise price (in dollars per share)         $ 0.01              
July Public Offering | July Common Warrants                        
Subsidiary, Sale of Stock [Line Items]                        
Number of shares of common stock to purchase (up to) (in shares)         2,300,000              
Exercise price (in dollars per share)         $ 5.00              
Warrants, contractual term (in years)         5 years              
July Public Offering | July Pre-Funded Warrants and July Common Warrants                        
Subsidiary, Sale of Stock [Line Items]                        
Price per share of shares issued (in dollars per share)         $ 4.99              
July Public Offering | July Public Offering                        
Subsidiary, Sale of Stock [Line Items]                        
Warrants, contractual term (in years)         5 years              
July Public Offering | Pre-Funded Warrant                        
Subsidiary, Sale of Stock [Line Items]                        
Exercise price (in dollars per share)         $ 0.01              
Warrants, contractual term (in years)     5 years                  
July Public Offering | July Pre-Funded Warrants                        
Subsidiary, Sale of Stock [Line Items]                        
Exercise price (in dollars per share)         0.01              
July Public Offering | July Common Warrants                        
Subsidiary, Sale of Stock [Line Items]                        
Exercise price (in dollars per share)         $ 5.00              
Warrants, contractual term (in years)         5 years              
July Public Offering | July Pre-Funded Warrants and July Common Warrants                        
Subsidiary, Sale of Stock [Line Items]                        
Price per share of shares issued (in dollars per share)         $ 4.99              
July Public Offering | Common Stock                        
Subsidiary, Sale of Stock [Line Items]                        
Issuance of common stock, net of issuance costs (in shares)                 510,000      
January Public Offering | January Common Warrants                        
Subsidiary, Sale of Stock [Line Items]                        
Warrants, contractual term (in years)     5 years