v3.26.1
CAPITAL STOCK (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 16 Months Ended
Apr. 22, 2025
Mar. 19, 2025
Mar. 31, 2026
Dec. 31, 2025
Jul. 23, 2025
Jul. 21, 2025
Feb. 28, 2025
Feb. 03, 2025
Sep. 03, 2024
Jan. 29, 2024
Class of Stock [Line Items]                    
Common stock, authorized (in shares)     350,000,000 350,000,000            
Common stock, par value (in dollars per share)     $ 0.00001 $ 0.00001            
Common stock, outstanding (in shares)     267,898,415 265,424,818            
Common stock, issued (in shares)     267,898,415 265,424,818            
Preferred stock, authorized (in shares)     25,000,000 25,000,000            
Preferred stock, par value (in dollars per share)     $ 0.00001 $ 0.00001            
Preferred stock, issued (in shares)     0 0            
Preferred stock, outstanding (in shares)     0 0            
Issuance and sale of equity securities                 $ 75.0  
Warrant to purchase common stock (in shares)         1,408,588 2,115,384 1,153,846 1,153,846   3,076,923
Exercise price (in dollars per share)           $ 1.30 $ 1.30 $ 1.30   $ 1.30
Warrant exercise period (in years)             8 years 8 years    
Warrant purchased (in shares)           2,115,384        
Warrants issued (in shares)           1,408,588        
Vifor (International) Ltd. | License                    
Class of Stock [Line Items]                    
Unregistered stock held by customer (in shares)     7,571,429              
At-The-Market Sale Agreement, Authorized April 2022, Amended                    
Class of Stock [Line Items]                    
Number of shares sold in offering (in shares)     0 23,708,995            
Sale of stock, consideration received, gross       $ 43.0            
Aggregate net proceeds from offering       $ 42.2            
Public Stock Offering                    
Class of Stock [Line Items]                    
Number of shares sold in offering (in shares)   25,000,000                
Aggregate net proceeds from offering $ 1.6 $ 46.5                
Sale of stock, price per share (in dollars per share)   $ 2.00                
Public Stock Offering - Underwriting Agreement                    
Class of Stock [Line Items]                    
Sale of stock, price per share (in dollars per share)   $ 1.88                
Over-Allotment Option                    
Class of Stock [Line Items]                    
Number of shares sold in offering (in shares) 850,000 3,750,000                
Underwriters allotment option, term (in days)   30 days