Annual report pursuant to Section 13 and 15(d)

Equity Method Investments (Details 1)

v3.19.1
Equity Method Investments (Details 1) - Significant Other Observable Inputs (Level 2) [Member] - Warrant [Member] - November 2018 Canopy Warrants [Member]
Feb. 28, 2019
$ / shares
Nov. 01, 2018
$ / shares
Issue date exercise price [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, measurement input, per share $ 50.40 $ 50.40
Valuation date stock price [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, measurement input, per share $ 62.38 $ 48.43
Expected life (in years) [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, term 2 years 8 months 3 years
Expected volatility [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants, measurement input, decimal 0.793 0.759
Risk-free interest rate [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants, measurement input, decimal 0.018 0.024
Expected dividend yield [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants, measurement input, decimal 0.000 0.000