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REVENUES - Additional Information (Details)
3 Months Ended 6 Months Ended
Oct. 31, 2024
USD ($)
customer
Oct. 31, 2023
USD ($)
customer
Oct. 31, 2024
USD ($)
customer
Oct. 31, 2023
USD ($)
customer
REVENUES        
Number of customers | customer 2 1 2 2
Customer outstanding receivables $ 0 $ 0 $ 0 $ 0
Revenues 11,906,000 8,854,000 30,997,000 19,143,000
Customer A        
REVENUES        
Revenues 2,224,000 $ 3,214,000 4,159,000 3,508,000
Customer B        
REVENUES        
Revenues $ 2,502,000   $ 6,036,000 $ 6,009,000
Land sale revenue        
REVENUES        
Number of customers | customer 3 3 4 3