v3.26.3
Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)
 1 Months Ended 12 Months Ended
Mar. 12, 2026
USD ($)
$ / shares
shares
Feb. 26, 2026
$ / shares
Mar. 13, 2025
USD ($)
Mar. 07, 2025
USD ($)
$ / shares
shares
Jan. 16, 2025
shares
Dec. 09, 2024
shares
Nov. 06, 2024
shares
Oct. 31, 2024
$ / shares
shares
Sep. 06, 2024
USD ($)
tranche
May 31, 2025
USD ($)
Jun. 30, 2026
USD ($)
segment
$ / shares
shares
Jun. 30, 2025
USD ($)
$ / shares
shares
Mar. 10, 2025
$ / shares
shares
Feb. 05, 2025
USD ($)
Variable Interest Entity [Line Items]                            
Total comprehensive loss                     $ 19,754,000 $ 46,677,000    
Net cash outflows from operating activities                     12,867,000 12,513,000    
Cash and cash equivalents                     67,711,000 15,039,000    
Current assets exceeded its current liabilities                     $ 71,300,000 13,000,000.0    
Number of reportable segments | segment                     1      
Number of operating segments | segment                     1      
Number of shares issued (in shares) | shares             61,389,758              
Stock split ratio   0.033                        
Share issuance (in shares) | shares         10,346 142,403                
Conversion of issuable shares (in shares) | shares             10,101,009              
Investors converted                           $ 100,000
Repayment of convertible debt                     $ 0 $ 3,795,000    
Common Stock, par value per share (in USD per share) | $ / shares   $ 0.0001                 $ 0.0001 $ 0.0001    
Common Stock, shares issued (in shares) | shares                     12,544,298 6,479,333 1,887,045  
Payments for repurchase of warrants                   $ 24,800,000        
Convertible Debenture | Convertible Debt                            
Variable Interest Entity [Line Items]                            
Debt instrument, face amount                 $ 10,000,000          
Debt instrument, aggregate purchase price                 $ 9,000,000          
Percentage of original issue discount                 10.00%          
Number of tranches | tranche                 3          
Conversion price percentage                 115.00%          
Repayment of convertible debt     $ 3,850,000                      
September 2024 Purchase Agreement | Convertible Debt                            
Variable Interest Entity [Line Items]                            
Warrants term (in years)                 5 years          
Conversion price percentage                 115.00%          
Percentage of principle amount                 25.00%          
September 2024 Purchase Agreement | Convertible Debt | First Tranche                            
Variable Interest Entity [Line Items]                            
Debt instrument, face amount                     $ 3,333,333      
Debt instrument, aggregate purchase price                     $ 3,000,000      
Percentage of original issue discount                     10.00%      
Percentage of payment-in-kind interest rate (as a percent)                     5.00%      
Net proceeds                     $ 2,880,000      
E L O C Purchase Agreement                            
Variable Interest Entity [Line Items]                            
Percentage of purchase price                 96.00%          
ELOC purchase agreement termination period                 36 months          
Stock issuance cost, gross proceeds percentage                 7.00%          
Common Stock                            
Variable Interest Entity [Line Items]                            
Share issuance (in shares) | shares                     8,268,511 5,889,101    
Conversion of issuable shares (in shares) | shares             453,749              
Common Stock | E L O C Purchase Agreement                            
Variable Interest Entity [Line Items]                            
Sale of stock, consideration received on transaction                 $ 50,000,000          
Pre-Funded Warrants                            
Variable Interest Entity [Line Items]                            
Sale of stock, price per share (in dollars per share) | $ / shares $ 4.9999                          
Common Stock Warrants                            
Variable Interest Entity [Line Items]                            
Warrants term (in years) 5 years                          
ELOC Warrant                            
Variable Interest Entity [Line Items]                            
Exercise price per share (in dollars per share) | $ / shares               $ 1.66            
Warrant term                 5 years          
Warrant exercisable shares (in shares) | shares               585,000            
First Tranche Warrant                            
Variable Interest Entity [Line Items]                            
Number of warrants exercisable (in shares) | shares                     453,749      
Exercise price per share (in dollars per share) | $ / shares                     $ 1.89      
Public Stock Offering                            
Variable Interest Entity [Line Items]                            
Sale of stock, consideration received on transaction $ 10,000,000.0                          
Public Stock Offering | Pre-Funded Warrants                            
Variable Interest Entity [Line Items]                            
Number of warrants exercisable (in shares) | shares 2,715                          
Public Stock Offering | Common Stock Warrants                            
Variable Interest Entity [Line Items]                            
Number of warrants exercisable (in shares) | shares 2,000,000                          
Private Placement                            
Variable Interest Entity [Line Items]                            
Number of shares issued (in shares) | shares       9,687,045                    
Sale of stock, price per share (in dollars per share) | $ / shares       $ 1.08                    
Sale of stock, consideration received on transaction       $ 12,500,000                    
Common Stock, par value per share (in USD per share) | $ / shares                         $ 0.0001  
Private Placement | Pre-Funded Warrants                            
Variable Interest Entity [Line Items]                            
Exercise price per share (in dollars per share) | $ / shares       $ 1.0799                    
Purchase shares (in shares) | shares       1,887,045                    
Private Placement | Series A Warrants                            
Variable Interest Entity [Line Items]                            
Exercise price per share (in dollars per share) | $ / shares       $ 2.16                    
Purchase shares (in shares) | shares       11,574,090                    
Common Stock                            
Variable Interest Entity [Line Items]                            
Sale of stock, price per share (in dollars per share) | $ / shares $ 5.00                          
Common Stock | Public Stock Offering                            
Variable Interest Entity [Line Items]                            
Number of shares issued (in shares) | shares 1,997,285                          
Common Stock Warrants                            
Variable Interest Entity [Line Items]                            
Exercise price per share (in dollars per share) | $ / shares $ 6.50                          
Pre-Funded Warrants                            
Variable Interest Entity [Line Items]                            
Exercise price per share (in dollars per share) | $ / shares $ 0.0001                          
Minimum | Machinery                            
Variable Interest Entity [Line Items]                            
Useful lives (in years)                     10 years      
Minimum | Vehicles                            
Variable Interest Entity [Line Items]                            
Useful lives (in years)                     3 years      
Minimum | Furniture, Fittings and Equipment                            
Variable Interest Entity [Line Items]                            
Useful lives (in years)                     3 years      
Maximum | Machinery                            
Variable Interest Entity [Line Items]                            
Useful lives (in years)                     15 years      
Maximum | Vehicles                            
Variable Interest Entity [Line Items]                            
Useful lives (in years)                     5 years      
Maximum | Furniture, Fittings and Equipment                            
Variable Interest Entity [Line Items]                            
Useful lives (in years)                     8 years      
Mind Medicine Australia ("MMA")                            
Variable Interest Entity [Line Items]                            
Equity method investment, ownership percentage                     50.00%