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INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Apr. 30, 2022
Segment Reporting, Revenue Reconciling Item [Line Items]      
Revenues $ 11,232 $ 10,507  
Net income (loss) 1,912 1,637  
Capital expenditures 117 1  
Total assets 96,801   $ 94,917
Land development      
Segment Reporting, Revenue Reconciling Item [Line Items]      
Revenues 6,691 8,461  
Net income (loss) 1,262 1,807  
Capital expenditures 117 0  
Total assets 87,671   86,991
Homebuilding      
Segment Reporting, Revenue Reconciling Item [Line Items]      
Revenues 4,541 1,950  
Net income (loss) 1,003 178  
Capital expenditures 0 1  
Total assets 6,068   5,631
Corporate      
Segment Reporting, Revenue Reconciling Item [Line Items]      
Revenues 0 96  
Net income (loss) (353) (348)  
Capital expenditures 0 $ 0  
Total assets $ 3,062   $ 2,295