GENERAL AND ADMINISTRATIVE EXPENSES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
General and Administrative Expense, Disclosure [Line Items]
General and administrative expenses	$ 1,257	$ 1,523	$ 2,443	$ 2,967
Land Development
General and Administrative Expense, Disclosure [Line Items]
General and administrative expenses	677	665	1,261	1,271
Homebuilding
General and Administrative Expense, Disclosure [Line Items]
General and administrative expenses	212	118	399	231
Corporate
General and Administrative Expense, Disclosure [Line Items]
General and administrative expenses	$ 368	$ 740	$ 783	$ 1,465