Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments - Fair Value Measurement Inputs (Details)

v3.21.1
Fair Value of Financial Instruments - Fair Value Measurement Inputs (Details) - Significant Other Observable Inputs (Level 2)
Feb. 28, 2021
$ / shares
Feb. 29, 2020
$ / shares
Jun. 27, 2019
$ / shares
Warrants | Tranche A Warrants | Exercise price      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, C$ per share $ 50.40 $ 50.40 $ 50.40
Warrants | Tranche A Warrants | Valuation date stock price      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, C$ per share $ 41.90 $ 25.17 $ 53.36
Warrants | Tranche A Warrants | Remaining term      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, term 2 years 8 months 12 days 3 years 8 months 12 days 4 years 3 months 18 days
Warrants | Tranche A Warrants | Expected volatility      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, decimal 0.700 0.700 0.667
Warrants | Tranche A Warrants | Risk-free interest rate      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, decimal 0.005 0.011 0.014
Warrants | Tranche A Warrants | Expected dividend yield      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, decimal 0.000 0.000 0.000
Warrants | Tranche B Warrants | Exercise price      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, C$ per share $ 76.68 $ 76.68 $ 76.68
Warrants | Tranche B Warrants | Valuation date stock price      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, C$ per share $ 41.90 $ 25.17 $ 53.36
Warrants | Tranche B Warrants | Remaining term      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, term 5 years 8 months 12 days 6 years 8 months 12 days 7 years 3 months 18 days
Warrants | Tranche B Warrants | Expected volatility      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, decimal 0.700 0.700 0.667
Warrants | Tranche B Warrants | Risk-free interest rate      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, decimal 0.011 0.011 0.014
Warrants | Tranche B Warrants | Expected dividend yield      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, decimal 0.000 0.000 0.000
Warrants | November 2017 Canopy Warrants | Exercise price      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, C$ per share   $ 12.98  
Warrants | November 2017 Canopy Warrants | Valuation date stock price      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, C$ per share   $ 25.17  
Warrants | November 2017 Canopy Warrants | Remaining term      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, term   2 months 12 days  
Warrants | November 2017 Canopy Warrants | Expected volatility      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, decimal   1.053  
Warrants | November 2017 Canopy Warrants | Risk-free interest rate      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, decimal   0.015  
Warrants | November 2017 Canopy Warrants | Expected dividend yield      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants outstanding, measurement input, decimal   0.000  
Convertible debt securities | Conversion price      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Debt instrument, measurement input, C$ per share $ 48.17 $ 48.17  
Convertible debt securities | Valuation date stock price      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Debt instrument, measurement input, C$ per share $ 41.90 $ 25.17  
Convertible debt securities | Remaining term      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Debt securities, term 2 years 4 months 24 days 3 years 4 months 24 days  
Convertible debt securities | Expected volatility      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Debt instrument, measurement input, decimal 0.576 0.582  
Convertible debt securities | Risk-free interest rate      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Debt instrument, measurement input, decimal 0.004 0.011  
Convertible debt securities | Expected dividend yield      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Debt instrument, measurement input, decimal 0.000 0.000