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REVENUES - Additional Information (Details)
3 Months Ended 6 Months Ended
Oct. 31, 2025
USD ($)
customer
Oct. 31, 2024
USD ($)
customer
Oct. 31, 2025
USD ($)
customer
Oct. 31, 2024
USD ($)
customer
REVENUES        
Number of customers | customer 0 2 0 2
Customer outstanding receivables $ 0 $ 0 $ 0 $ 0
Revenues $ 9,398,000 11,906,000 $ 27,250,000 30,997,000
Customer A        
REVENUES        
Revenues   2,224,000   4,159,000
Customer B        
REVENUES        
Revenues   $ 2,502,000   $ 6,036,000
Land sale revenue        
REVENUES        
Number of customers | customer 1 3 2 4