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Debt (Details) - USD ($)
9 Months Ended
Jul. 15, 2020
May 31, 2023
Aug. 31, 2022
Debt      
Line of credit facility, current borrowing capacity   $ 15,000,000  
Construction loan   $ 4,497,000 $ 4,584,000
Prime Rate      
Debt      
Interest rate (in percentage)   3.50%  
Maximum      
Debt      
Line of credit facility, maximum borrowing capacity   $ 0 $ 0
Construction loan payable      
Debt      
Debt Instrument maturity date   May 15, 2027  
Amount drawn and converted $ 4,807,000    
Interest rate   4.35% 4.35%
Proceeds from issuance of long term debt   $ 5,000,000  
Line of credit long term outstanding   5,000,000  
Construction loan payable | Prime Rate      
Debt      
Fixed rate for conversion 4.60%    
Debt discount (as a percent) 0.25%    
Community Bank      
Debt      
Line of credit long term outstanding   100,000  
Letter of credit      
Debt      
Notes payable, noncurrent   $ 100,000