Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE OF FINANCIAL INSTRUMENTS (Details)

v3.20.2
FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - Recurring - USD ($)
$ in Thousands
May 31, 2020
Feb. 29, 2020
Nov. 30, 2019
Aug. 31, 2019
May 31, 2019
Feb. 28, 2019
Nov. 30, 2018
Aug. 31, 2018
Assets:                
Equity investment $ 2,060     $ 592        
Liabilities                
Warrant liability 2,009     5,444        
Level 1                
Assets:                
Equity investment 0     0        
Liabilities                
Warrant liability 0     0        
Level 2                
Assets:                
Equity investment 2,060     592        
Liabilities                
Warrant liability 0     0        
Level 3                
Assets:                
Equity investment 0     0        
Liabilities                
Warrant liability 2,009     5,444        
Level 3 | Derivative Warrant Liability                
Liabilities                
Warrant liability $ 2,009 $ 849 $ 2,240 $ 5,444 $ 7,410 $ 13,375 $ 14,646 $ 14,430