Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
REVENUES:
Revenues	$ 9,256,000	$ 3,960,000	$ 13,462,000	$ 8,727,000
General and administrative expenses:
General and administrative expenses	1,523,000	4,121,000	2,967,000	5,687,000
Operating expenses	8,127,000	6,892,000	12,250,000	12,113,000
Operating income (loss)	1,129,000	(2,932,000)	1,212,000	(3,386,000)
Interest (expense) income, net	(12,000)	141,000	(6,000)	265,000
Other income	650,000		650,000
Income (loss) from operations before income taxes	1,117,000	(2,791,000)	1,856,000	(3,121,000)
Provision (benefit) for income taxes	319,000	(622,000)	465,000	(756,000)
Net income (loss)	$ 798,000	$ (2,169,000)	$ 1,391,000	$ (2,365,000)
Basic and diluted earnings (loss) per share	$ 0.10	$ (0.27)	$ 0.17	$ (0.29)
Weighted average number of common shares outstanding - basic	8,122	8,129	8,136	8,125
Weighted average number of common shares outstanding - diluted	8,152	8,129	8,168	8,125
Land sale revenues
REVENUES:
Revenues	$ 8,526,000	$ 3,266,000	$ 12,013,000	$ 7,557,000
COSTS AND EXPENSES:
Cost of revenues	6,430,000	2,771,000	9,109,000	6,426,000
Home sale revenues
REVENUES:
Revenues	202,000	0	202,000
COSTS AND EXPENSES:
Cost of revenues	174,000	0	174,000
Rental revenues
REVENUES:
Revenues	152,000	341,000	502,000	682,000
Other [Member]
REVENUES:
Revenues	$ 376,000	$ 353,000	$ 745,000	$ 488,000