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The lowest amount of net worth (total assets minus total liabilities) required by secondary market investors or state-imposed regulatory mandates.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of interest capitalized during the period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of the required periodic payment applied to principal.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Weighted average interest rate of long-term debt outstanding calculated at point in time.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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The cash outflow for a borrowing supported by a written promise to pay an obligation.

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NOTES PAYABLE: - Additional information (Details)								12 Months Ended
NOTES PAYABLE: - Additional information (Details)	Jun. 17, 2022 USD ($)	Mar. 17, 2022 USD ($)	Dec. 17, 2021 USD ($)	Sep. 17, 2021 USD ($)	Jun. 17, 2021 USD ($)	Mar. 17, 2021 USD ($)	Apr. 30, 2020 USD ($) a ft²	Apr. 30, 2020 USD ($) a ft²	Apr. 30, 2019 USD ($)	Apr. 30, 2018 USD ($)
NOTES PAYABLE:
Outstanding amount							$ 3,894,000	$ 3,894,000
Notes Payable							3,890,000	3,890,000	$ 1,319,000
Repayments of Notes Payable								2,057,000	3,624,000
Lomas Encantadas Development Company LLC [Member]
NOTES PAYABLE:
Interest and fees capitalized								47,000
Nonrevolving Line Of Credit [Member] \| Lomas Encantadas Development Company LLC [Member]
NOTES PAYABLE:
Maximum borrowing capacity							2,475,000	2,475,000		$ 4,750,000
Outstanding amount							1,576,000	1,576,000
Principal repayments							$ 675,000
Notes Payable									181,000
Repayments of Notes Payable								$ 894,000	3,234,000
Maturity Date								Jun. 01, 2022		Dec. 31, 2021
Interest rate							4.00%	4.00%
Principal payment per lot to be made to release the lien of mortgage								$ 37,500
Minimum tangible net worth to be maintained by guarantor							$ 32,000,000	32,000,000
Book Value Of Real Estate Property Collateralized							$ 3,027,000	3,027,000
Interest and fees capitalized								$ 27,000	82,000
Nonrevolving Line Of Credit [Member] \| Lomas Encantadas Development Company LLC [Member] \| Scenario, Forecast [Member]
NOTES PAYABLE:
Periodic principal repayment amount	$ 187,500	$ 525,000	$ 262,500	$ 300,000	$ 300,000	$ 900,000
Nonrevolving Line Of Credit [Member] \| Lomas Encantadas Development Company LLC [Member] \| London Interbank Offered Rate (LIBOR) [Member]
NOTES PAYABLE:
Interest rate period								30 days
Spread on interest rate								3.00%
Nonrevolving Line Of Credit [Member] \| Las Fuentes Village II, LLC [Member]
NOTES PAYABLE:
Construction area (in square foot) \| ft²							14,000	14,000
Area of property owned (in acres) \| a							1.3	1.3
Maximum borrowing capacity							$ 2,750,000	$ 2,750,000
Outstanding amount							$ 1,979,000	$ 1,979,000
Maturity Date								Jan. 10, 2027
Interest rate							3.90%	3.90%
Payment amortization period								25 years
Book Value Of Real Estate Property Collateralized							$ 2,487,000	$ 2,487,000
Interest and fees capitalized								$ 7,000
Nonrevolving Line Of Credit [Member] \| Las Fuentes Village II, LLC [Member] \| London Interbank Offered Rate (LIBOR) [Member]
NOTES PAYABLE:
Interest rate period								30 days
Spread on interest rate								2.90%
Nonrevolving Line Of Credit [Member] \| Las Fuentes Village II, LLC [Member] \| Six-year fixed rate of interest 2.29%
NOTES PAYABLE:
Interest rate period								6 years
Constant maturity								7 years
Spread on interest rate								2.29%
Nonrevolving Line Of Credit [Member] \| Las Fuentes Village II, LLC [Member] \| Six-year fixed rate of interest 3.21%
NOTES PAYABLE:
Interest rate period								6 years
Constant maturity								7 years
Spread on interest rate								3.21%
Nonrevolving Line Of Credit [Member] \| Las Fuentes Village II, LLC [Member] \| Three-year fixed rate of interest 2.33%
NOTES PAYABLE:
Interest rate period								3 years
Constant maturity								3 years
Spread on interest rate								2.33%
Nonrevolving Line Of Credit [Member] \| Las Fuentes Village II, LLC [Member] \| Three-year fixed rate of interest 3.0%
NOTES PAYABLE:
Interest rate period								3 years
Constant maturity								3 years
Spread on interest rate								3.00%
Nonrevolving Line Of Credit [Member] \| Hawksite 27 Development Company LLC [Member]
NOTES PAYABLE:
Maximum borrowing capacity									1,800,000
Notes Payable									1,203,000
Repayments of Notes Payable								$ 1,593,000	$ 390,000
Maturity Date									Jul. 31, 2021
Interest and fees capitalized								$ 59,000	$ 33,000
Nonrevolving Line Of Credit [Member] \| Hawksite 27 Development Company LLC [Member] \| Prime Rate [Member]
NOTES PAYABLE:
Spread on interest rate								2.38%
Revolving Credit Facility [Member] \| Mountain Hawk East Development Company LLC [Member]
NOTES PAYABLE:
Maximum borrowing capacity							$ 3,000,000	$ 3,000,000
Maximum borrowing capacity (as a percent)							75.00%	75.00%
Notes Payable							$ 41,000	$ 41,000
Maturity Date								Aug. 01, 2022
Fixed interest rate							4.50%	4.50%
Principal payment per lot to be made to release the lien of mortgage								$ 52,000
Minimum tangible net worth to be maintained by guarantor							$ 29,000,000	29,000,000
Book Value Of Real Estate Property Collateralized							$ 964,000	964,000
Interest and fees capitalized								$ 42,000
Small Business Administration, Paycheck Protection Program, CARES Act [Member]
NOTES PAYABLE:
Maturity Date								Apr. 14, 2022
Proceeds from debt								$ 298,000
Fixed interest rate							1.00%	1.00%
Payment amortization period								18 months