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Going Concern, Banking & Liquidity - Additional Information (Detail) - USD ($)
May 31, 2023
May 31, 2022
Feb. 28, 2022
Line of Credit Facility [Line Items]      
Line of credit outstanding   $ 0  
Other financing   0  
Notes Payable, Current   784,000 $ 458,000
Chief Executive Officer [Member]      
Line of Credit Facility [Line Items]      
Notes Payable, Current $ 326,000 $ 784,000