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REVENUES - Additional Information (Details)
3 Months Ended 9 Months Ended
Jan. 31, 2025
USD ($)
customer
Jan. 31, 2024
USD ($)
customer
Jan. 31, 2025
USD ($)
customer
Jan. 31, 2024
USD ($)
customer
REVENUES        
Number of customers | customer 2 1 2 2
Customer outstanding receivables $ 0 $ 0 $ 0 $ 0
Revenues 7,520,000 12,689,000 38,516,000 31,833,000
Customer A        
REVENUES        
Revenues 985,000 $ 2,928,000 6,028,000 3,500,000
Customer B        
REVENUES        
Revenues $ 1,869,000   $ 6,036,000 $ 8,937,000
Land sale revenue        
REVENUES        
Number of customers | customer 2 2 2 3