XML 112 R98.htm IDEA: XBRL DOCUMENT v3.21.1
Income taxes - Operating loss carryforwards (Details) - USD ($)
$ in Thousands
Feb. 28, 2021
Feb. 29, 2020
Deferred Tax Assets    
Subtotal $ 14,785 $ 13,908
Less portion of valuation allowance established for operating loss carryforwards (14,257)  
Total 528  
Operating Loss Carryforward    
Subtotal 58,003  
State    
Deferred Tax Assets    
Operating loss carryforwards with definite carryover periods 334  
Operating Loss Carryforward    
Required future taxable income - operating loss carryforwards with definite carryover periods 4,550  
Non-U.S.    
Deferred Tax Assets    
Operating loss carryforwards with definite carryover periods 1,899  
Operating loss carryforwards with indefinite carryover periods 12,552  
Operating Loss Carryforward    
Required future taxable income - operating loss carryforwards with definite carryover periods 7,387  
Required future taxable income - operating loss carryforwards with indefinite carryover periods $ 46,066