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INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jul. 31, 2023
Jul. 31, 2022
Apr. 30, 2023
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS      
Revenues $ 10,289 $ 10,707  
Net income (loss) 1,346 1,912  
Capital expenditures 40 117  
Total assets 116,907 96,801 $ 115,895
Land development      
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS      
Revenues 7,486 6,166  
Net income (loss) 1,701 1,262  
Capital expenditures 10 117  
Total assets 96,158 87,671  
Homebuilding      
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS      
Revenues 2,803 4,541  
Net income (loss) 802 1,003  
Capital expenditures 30 0  
Total assets 7,535 6,068  
Corporate operations      
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS      
Revenues 0 0  
Net income (loss) (1,157) (353)  
Capital expenditures 0 0  
Total assets $ 13,214 $ 3,062