v3.25.0.1
Stockholders' Equity - Additional Information (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Jan. 24, 2024
$ / shares
shares
Jan. 22, 2024
$ / shares
shares
Sep. 11, 2023
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Oct. 01, 2024
USD ($)
shares
Value of stock and debt instruments authorized to issue | $             $ 500,000
Common stock issued | $       $ 31 $ 31 $ 15  
Proceeds from issuance of common stock pursuant to at-the-market offering, net of offering costs | $         $ 39,200 $ 0  
Exercise price (in USD per share) | $ / shares       $ 0.001 $ 0.001    
Common stock, shares authorized       150,000,000 150,000,000 150,000,000  
Preferred stock, par value | $ / shares       $ 0.001 $ 0.001 $ 0.001  
Preferred stock, Shares issued       0 0 0  
Preferred stock, Shares authorized       10,000,000 10,000,000 10,000,000  
Convertible preferred stock, Terms of conversion     Under the terms of the Merger Agreement, immediately prior to the effective time of the Reverse Merger, each share of Former Dianthus convertible preferred stock was converted into a share of Former Dianthus common stock.        
Shares issued upon conversion of convertible preferred stock     7,269,183        
Preferred stock, Shares outstanding       0 0 0  
Common stock, Shares issued     11,021,248 31,115,341 31,115,341 14,817,696  
Common stock, Shares outstanding       31,115,341 31,115,341 14,817,696  
Exchange ratio of reverse merger     0.2181 0.2181 0.2181    
Common stock, Par value | $ / shares       $ 0.001 $ 0.001 $ 0.001  
Common Stock, Dividends, Per Share, Declared | $ / shares         $ 0    
2024 Private Placement [Member]              
Sold and issued of shares 14,500,500 14,500,500          
ATM Offering Program [Member]              
Proceeds from issuance of common stock pursuant to at-the-market offering, net of offering costs | $       $ 39,200 $ 39,200    
Common stock, Shares issued       1,503,708 1,503,708   1,503,708
ATM Offering Program [Member] | Maximum [Member]              
Common stock issued | $             $ 200,000
Pre-funded Warrants [Member]              
Pre-funded warrants to purchase     210,320        
Exercise price (in USD per share) | $ / shares     $ 0.001        
Pre-funded warrants outstanding       4,666,332 4,666,332    
Pre-funded Warrants [Member] | 2024 Private Placement [Member]              
Pre-funded warrants to purchase 4,666,332 4,666,332          
Exercise price (in USD per share) | $ / shares $ 0.001 $ 0.001          
Pre-funded warrants outstanding       4,666,332 4,666,332    
Reverse merger | Pre-funded Warrants [Member]              
Pre-funded warrants outstanding       0 0    
Common Stock              
Common stock, shares authorized       150,000,000 150,000,000    
Common stock, Shares issued     14,817,696 31,115,341 31,115,341    
Common stock, Shares outstanding       31,115,341 31,115,341    
Common stock, Par value | $ / shares       $ 0.001 $ 0.001