General form of registration statement for all companies including face-amount certificate companies

Nature of Business and Significant Accounting Policies (Details) - Property, Plant and Equipment

v3.21.1
Nature of Business and Significant Accounting Policies (Details) - Property, Plant and Equipment
 12 Months Ended
May 31, 2020
May 31, 2019
Property, Plant and Equipment [Line Items]    
Estimated Useful Life Term of lease  
Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life   3 years
Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life   7 years
Office Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 3 years 3 years
Office Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 5 years 5 years
Machinery and Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 3 years 3 years
Machinery and Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 10 years 10 years
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life   Term of lease