XML 53 R42.htm IDEA: XBRL DOCUMENT v3.21.1
Concentrations, Risks and Uncertainties (Details Narrative) - USD ($)
9 Months Ended
Feb. 01, 2021
Feb. 28, 2021
Feb. 29, 2020
Dec. 15, 2005
Concentration Risk [Line Items]        
Excess damages $ 500,000      
Robert B. Rosene, Jr. [Member]        
Concentration Risk [Line Items]        
Note payable   $ 3,592,783   $ 2,066,000
Debt instrument, maturity date   Jan. 15, 2023    
Fiscal Year 2021 [Member]        
Concentration Risk [Line Items]        
Customer purchases amount   $ 642,968    
Fiscal Year 2020 [Member]        
Concentration Risk [Line Items]        
Customer purchases amount   $ 1,409,045    
Sales Revenue, Net [Member] | Four Customers [Member]        
Concentration Risk [Line Items]        
Concentration risk percentage   85.00% 87.00%