v3.25.2
Note 19 - Stockholders' Equity (Details Textual)
 12 Months Ended
May 31, 2025
USD ($)
shares
May 31, 2024
USD ($)
shares
May 31, 2023
USD ($)
shares
May 31, 2022
shares
Shares Authorized, Total (in shares) 1,426,000,000      
Common Stock, Shares Authorized (in shares) 1,416,000,000 1,416,000,000    
Preferred Stock, Shares Authorized (in shares) 10,000,000 10,000,000    
Common Stock, Shares, Outstanding (in shares) 1,060,678,745 831,925,373    
Treasury Stock, Common, Shares (in shares) 2,004,218 0    
Preferred Stock, Shares Issued (in shares) 0 0    
Proceeds from Issuance of Common Stock | $ $ 161,188,000 $ 8,619,000 $ 129,593,000  
Stock Issued During Period, Value, Settlement of Financing Liability | $ $ (1,544,000) 21,487,000 12,467,000  
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture (in shares) 7,841,989      
Stock Re-issued During Period, Shares, Repayment of Debt and At-the-market Offerings (in shares) 13,060,999      
Share-Based Payment Arrangement, Expense | $ $ 24,289,000 $ 31,769,000 $ 39,595,000  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 0      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares) 210,917 244,193    
Common Stock, Shares, Issued (in shares) 1,060,678,745 831,925,373    
Preferred Stock, Shares Outstanding (in shares) 0 0    
Tilray Two Thousand And Eighteen Equity Incentive Plan And Original Plan [Member]        
Stock Issued During Period, Value, Issued for Services | $ $ 500,000      
Stock Granted, Fair Value Share Based Compensation | $ $ 1,000,000      
Common Stock, Capital Shares Reserved for Future Issuance (in shares) 9,806,851      
Common Stock Capital Shares Reserved For Future Issuance, Annual Automatic Increase Percentage 4.00%      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 0 0    
Predecessor Plan [Member] | Aphria [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 0 0    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares) 45,223      
Predecessor Plan [Member] | HEXO [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares) 187,173      
Business Combination, Common Share Exchange Ratio 0.4352      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Converted Upon Acquisition, Number (in shares) 1,267,793      
Share-Based Payment Arrangement, Plan Modification, Incremental Cost | $ $ 0      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number (in shares) 177,426      
Time-based Restricted Stock Units [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 13,505,127 13,680,556    
Performance-based Restricted Stock Units [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 0 7,566,146    
Restricted Stock Units (RSUs) [Member] | Tilray Two Thousand And Eighteen Equity Incentive Plan And Original Plan [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares) 0      
Restricted Stock Units (RSUs) [Member] | Tilray Two Thousand And Eighteen Equity Incentive Plan And Original Plan [Member] | Minimum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 3 years      
Restricted Stock Units (RSUs) [Member] | Tilray Two Thousand And Eighteen Equity Incentive Plan And Original Plan [Member] | Maximum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 4 years      
Stock Appreciation Rights (SARs) [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares) 0      
Stock Appreciation Rights (SARs) [Member] | Tilray Two Thousand And Eighteen Equity Incentive Plan And Original Plan [Member] | Maximum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 10 years      
Tilray Brands Inc MediPharm / HEXO Litigation Settlement [Member]        
Stock Issued During Period, Shares, Settlement of Financing Liability (in shares) 13,217,588      
Stock Issued During Period, Value, Settlement of Financing Liability | $ $ 23,824,000      
Treasury Stock, Common [Member]        
Treasury Stock, Common, Shares (in shares) (2,004,218) 0 0 0
Stock Issued During Period, Shares, Settlement of Financing Liability (in shares) 0 0 0  
Settlement of TLRY 27 Convertible Note With Share Issuance [Member] | Treasury Stock, Common [Member]        
Debt Conversion, Converted Instrument, Shares Issued (in shares) 15,065,217      
Debt Conversion, Converted Instrument, Amount | $ $ 7,811,592      
TLRY 27 [Member]        
Stock Issued During Period, Shares, For The Repayment of Convertible Debt (in shares) 71,755,054      
Stock Issued During Period, Treasury Stock, Shares, for the Repayment of Convertible Debt (in shares) 7,253,625      
Debt Instrument, Repurchase Amount | $ $ 67,500,000 $ (0)    
Adjustments to Additional Paid in Capital, Convertible Debt with Conversion Feature | $ $ 19,028,000      
At-the-Market Program [Member]        
Stock Issued During Period, Shares, New Issues (in shares) 135,938,741      
Stock Issued During Period, Shares, Treasury Stock Reissued (in shares) 4,688,280      
Proceeds from Issuance of Common Stock | $ $ 163,413,000      
Payments of Stock Issuance Costs | $ 2,225,000      
Net Proceeds from Issuance of Common Stock | $ $ 161,188,000      
At-the-Market Program [Member] | Treasury Stock, Common [Member]        
Stock Issued During Period, Shares, New Issues (in shares)   0