INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT REPORTABLE SEGMENTS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2026	Jan. 31, 2025
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS
Revenues	$ 14,573	$ 7,520	$ 41,823	$ 38,516
General and administrative expenses	2,930	1,875	6,733	5,331
Operating income	3,007	432	10,272	8,568
Income before income taxes	3,400	842	11,580	9,835
Land Development
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS
General and administrative expenses	1,922	989	3,952	2,884
Additional information
Depreciation and amortization	83	54	229	145
Capital expenditures		24		134
Segment assets	120,418	102,219	120,418	102,219
Homebuilding
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS
General and administrative expenses	544	467	1,471	1,274
Additional information
Depreciation and amortization	8	3	21	8
Capital expenditures	18	2	98	12
Segment assets	22,586	18,514	22,586	18,514
Operating segments
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS
Cost of Revenues	8,636	5,213	24,818	24,617
General and administrative expenses	2,466	1,456	5,423	4,158
Operating income	3,471	851	11,582	9,736
Operating segments | Land sales and home sales
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS
Revenues	14,573	7,520	41,823	38,511
Operating segments | Land Development
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS
Cost of Revenues	5,270	2,734	10,723	13,669
General and administrative expenses	1,922	989	3,952	2,884
Operating income	2,848	525	8,006	6,771
Operating segments | Land Development | Land sales and home sales
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS
Revenues	10,040	4,248	22,681	23,324
Operating segments | Homebuilding
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS
Cost of Revenues	3,366	2,479	14,095	10,948
General and administrative expenses	544	467	1,471	1,274
Operating income	623	326	3,576	2,965
Operating segments | Homebuilding | Land sales and home sales
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS
Revenues	4,533	3,272	19,142	15,187
Reconciling items
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS
Interest income, net	393	410	1,308	1,267
Corporate non-segment
INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS
Other corporate general and administrative expenses	$ (464)	$ (419)	$ (1,310)	$ (1,168)