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NOTES PAYABLE - Additional information (Details)
 12 Months Ended
Apr. 30, 2024
USD ($)
Apr. 30, 2023
USD ($)
Jun. 30, 2021
a
Feb. 28, 2021
USD ($)
a
NOTES PAYABLE        
Long-term Line of Credit $ 35,000 $ 44,000    
Line of Credit Facility, Maximum Borrowing Capacity 5,328,000      
Revolving Line of Credit        
NOTES PAYABLE        
Principal amount 172,000      
Principal repayments 250,000      
Long-term Line of Credit 0 $ 0    
Line of Credit Facility, Maximum Borrowing Capacity $ 5,328,000      
Revolving Line of Credit | Loan Agreement        
NOTES PAYABLE        
Principal amount       $ 5,750,000
Number of acres | a       298
Maximum amount for use with credit card       $ 250,000
Interest rate period 1 month      
Line of credit facility, interest rate during period 3.15%      
Unrestricted cash and cash equivalents $ 3,000,000.0      
Minimum Net Worth Required for Compliance 32,000,000      
La Mirada        
NOTES PAYABLE        
Number of acres | a     15  
Line of Credit Facility, Maximum Borrowing Capacity 7,375,000      
Nonrevolving Line Of Credit        
NOTES PAYABLE        
Long-term Line of Credit $ 50,000