Quarterly report [Sections 13 or 15(d)]

Common Stock - Additional Information (Details)

v3.26.1
Common Stock - Additional Information (Details) - USD ($)
 3 Months Ended 12 Months Ended
Aug. 07, 2025
Jun. 11, 2025
May 19, 2025
Oct. 23, 2019
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Jan. 01, 2026
Jan. 01, 2025
Jun. 01, 2023
Jan. 31, 2019
Class Of Stock [Line Items]                        
Common stock, authorized shares         300,000,000   300,000,000          
Warrant exercise price         $ 0.00001              
Stock-based compensation expense     $ 3,021,000                  
Warrants exercised         10,800,000              
Additional common stock warrants issued         3,090,190              
Common Stock Warrants Exercised         $ 32,000 $ 0            
Weighted average grant-date fair value of stock options granted         $ 2.83 $ 1.45            
Unrecognized compensation cost related to unvested stock-based awards         $ 40,021,000              
Unrecognized compensation cost, period for recognition         2 years 4 months 24 days              
Payment of offering costs related to issuance of common stock         $ 6,938,000 $ 0            
Shares remaining available for issuance         1,315,540              
Employee Stock Option                        
Class Of Stock [Line Items]                        
Stock-based compensation expense         $ 5,256,000 5,161,000            
Stock Option Repricing                        
Class Of Stock [Line Items]                        
Share-based compensation unvested number of shares     9,900,096                  
Vested Stock Option                        
Class Of Stock [Line Items]                        
Stock-based compensation expense     $ 1,813,000                  
Unvested Stock Option                        
Class Of Stock [Line Items]                        
Stock-based compensation expense     $ 1,208,000                  
At-The-Market Offering Sales Agreement                        
Class Of Stock [Line Items]                        
Common stock issuance $ 150,000,000         $ 200,000,000            
Payment of offering costs related to issuance of common stock             $ 2,595,000 $ 5,129,000        
2025 At The Market Offering Sales Agreement                        
Class Of Stock [Line Items]                        
Common stock issuance, Shares   2,609,865         4,160,176          
Payment of offering costs related to issuance of common stock   $ 7,724,000         $ 10,151,000          
June 2025 Financing                        
Class Of Stock [Line Items]                        
Common stock issuance, Shares         39,200,000              
Common stock price per share         $ 2              
Net proceeds from exercise of warrants         $ 6,938,000              
Common Stock Warrants Exercised         2,775,100              
May 2026 Financing                        
Class Of Stock [Line Items]                        
Common stock issuance         $ 141,000,000              
Common stock issuance, Shares         51,725,000              
Common stock price per share         $ 2.9              
2025 Sales Agreement                        
Class Of Stock [Line Items]                        
Common stock issuance, Shares         8,055,260              
Payment of offering costs related to issuance of common stock         $ 22,568,000              
2025 Inducement Plan                        
Class Of Stock [Line Items]                        
Common stock issuance         $ 275,000              
Common stock issuance, Shares         1,275,000              
2025 Inducement Plan | Employee Stock Option                        
Class Of Stock [Line Items]                        
Common stock issuance, Shares         1,000,000              
2018 and 2019 Plan                        
Class Of Stock [Line Items]                        
Outstanding vested and unvested stock options, repricing     $ 1.92                  
2019 Plan                        
Class Of Stock [Line Items]                        
Common stock issuance, Shares         370,612              
Shares reserved for issuance       2,342,288         234,229 4,019,172    
Increase in share reserved percentage       4.00%                
2019 Plan | Employee Stock Option                        
Class Of Stock [Line Items]                        
Number of options granted         3,886,400              
2019 ESPP                        
Class Of Stock [Line Items]                        
Shares reserved for issuance       234,229                
Maximum | Stock Option Repricing                        
Class Of Stock [Line Items]                        
Stock option exercise price     23.97                  
Minimum | Stock Option Repricing                        
Class Of Stock [Line Items]                        
Stock option exercise price     $ 2.88                  
Minimum | 2019 ESPP                        
Class Of Stock [Line Items]                        
Shares reserved for issuance                       234,229
Increase in share reserved percentage       1.00%                
Payroll deduction percentage of eligible compensation         15.00%              
Employee stock purchase plan maximum annual rights to purchase common stock         $ 25,000              
Percentage of shares to be purchased         85.00%              
Voting Common Stock                        
Class Of Stock [Line Items]                        
Common stock, authorized shares         293,590,481   293,590,481          
Common stock, outstanding shares         111,324,796   100,479,323          
Voting Common Stock | 2019 Plan                        
Class Of Stock [Line Items]                        
Shares reserved for issuance                     3,000,000  
Non-voting Common Stock                        
Class Of Stock [Line Items]                        
Common stock, authorized shares         6,409,519   6,409,519          
Pre-funded Warrants                        
Class Of Stock [Line Items]                        
Common stock, outstanding shares         6,000,000              
Warrants exercised         10,800,000              
Pre-funded Warrants | June 2025 Financing                        
Class Of Stock [Line Items]                        
Common stock, outstanding shares         50,315,090              
Common stock issuance, Shares         3,920,000              
Common stock price per share         $ 1.99999              
Decrease in exercise price of Warrents         $ 2.5              
Net proceeds from exercise of warrants         $ 93,558,000              
Warrants exercised         4,800,000