The book value of real estate property which was mortgaged to secure bank loan.

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Amount of deferred purchase price of debt.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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, 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) - USD ($)	1 Months Ended	3 Months Ended		12 Months Ended
	Jun. 30, 2020	Jul. 31, 2020	Jul. 31, 2019	Apr. 30, 2020	Feb. 29, 2020	Jan. 31, 2020	Jun. 30, 2019	Apr. 30, 2019	Apr. 30, 2018
NOTES PAYABLE:
Outstanding amount		$ 5,523,000
Notes Payable		5,496,000		$ 3,890,000
Repayments of Notes Payable		637,000	$ 572,000
Lomas Encantadas Development Company LLC [Member]
NOTES PAYABLE:
Interest and fees capitalized			4,000
Nonrevolving Line Of Credit [Member] \| Lomas Encantadas Development Company LLC [Member]
NOTES PAYABLE:
Maximum borrowing capacity							$ 2,475,000		$ 4,750,000
Outstanding amount		1,005,000		1,576,000
Principal repayments		$ 637,000	182,000	675,000
Interest rate		3.20%
Interest and fees capitalized		$ 12,000	29,000
Book value of real estate property collateralized		3,044,000
Nonrevolving Line Of Credit [Member] \| Las Fuentes Village II, LLC [Member]
NOTES PAYABLE:
Maximum borrowing capacity						$ 2,750,000
Outstanding amount		$ 2,312,000
Interest rate		3.08%
Interest and fees capitalized		$ 16,000
Book value of real estate property collateralized		2,870,000
Nonrevolving Line Of Credit [Member] \| Hawksite 27 Development Company LLC [Member]
NOTES PAYABLE:
Maximum borrowing capacity								$ 1,800,000
Outstanding amount			813,000
Principal repayments			390,000
Interest and fees capitalized			$ 20,000
Revolving Credit Facility [Member] \| Mountain Hawk East Development Company LLC [Member]
NOTES PAYABLE:
Maximum borrowing capacity					$ 3,000,000
Outstanding amount		41,000
Principal repayments		$ 0		0
Interest rate		4.50%
Interest and fees capitalized		$ 1,000
Book value of real estate property collateralized		$ 1,760,000
Small Business Administration, Paycheck Protection Program, CARES Act [Member]
NOTES PAYABLE:
Maximum borrowing capacity				$ 298,000
Interest rate		1.00%
Proceeds from debt		$ 298,000
Interest and fees capitalized		0
Acquisition Financing Member
NOTES PAYABLE:
Deferred purchase price	$ 1,838,000
Book value of real estate property collateralized		3,530,000
Acquisition Financing Member \| On or before June 2021
NOTES PAYABLE:
Interest and fees capitalized	919,000
Acquisition Financing Member \| On or before June 2022
NOTES PAYABLE:
Interest and fees capitalized	919,000
Development Financing Member
NOTES PAYABLE:
Maximum borrowing capacity	$ 3,750,000
Outstanding amount		27,000
Principal repayments		$ 0
Interest rate		3.75%
Interest and fees capitalized		$ 1,000
Book value of real estate property collateralized		$ 3,530,000