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REVENUES - Additional Information (Details)
12 Months Ended
Apr. 30, 2025
USD ($)
customer
Apr. 30, 2024
USD ($)
customer
building
REVENUES    
Number of buildings sold | building   2
Number of customers | customer 2 2
Customer outstanding receivables $ 0 $ 0
Revenues 49,694,000 51,369,000
Customer A    
REVENUES    
Revenues 11,809,000 11,554,000
Customer B    
REVENUES    
Revenues $ 6,028,000 $ 7,200,000
Land sale revenue    
REVENUES    
Number of customers | customer 3 4