DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Detail Textuals) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Accounting Policies [Line Items]
Equity method investment, ownership percentage	49.00%
Repayment of note	$ 311,488	$ 830,775
Period under income tax examination	3 years
Estimated useful life corporate offices	39 years 6 months
Depreciation expense for corporate offices	16,000	16,000
Comprehensive income consisted of unrealized gain from interest rate swap contract	982,500	5,000
Stock options outstanding (in shares)	22,700	102,100
Interests in Grove Isle and Monty's properties and recognized gain on sale of discontinued operations	16,400,000
Deposits in excess of federally insured limits	560,000
Federally insured limit for time deposits	250,000
Base rent per year payable	48,000
Term of lease	5 years
HMG/Courtland Properties, Inc. \| Courtland Investments, Inc.
Accounting Policies [Line Items]
Equity method investment, ownership percentage	95.00%
HMG/Courtland Properties, Inc. \| South Bayshore Associates
Accounting Policies [Line Items]
Equity method investment, ownership percentage	75.00%	75.00%
Masscap Investments Company, Inc. \| Courtland Investments, Inc.
Accounting Policies [Line Items]
Equity method investment, ownership percentage	5.00%
Transco Realty Trust \| HMG/Courtland Properties, Inc.
Accounting Policies [Line Items]
Equity method investment, ownership percentage	45.00%
Transco Realty Trust \| South Bayshore Associates
Accounting Policies [Line Items]
Equity method investment, ownership percentage		45.00%
Repayment of note	$ 300,000
Courtland Investments, Inc. \| Courtland Houston, Inc.
Accounting Policies [Line Items]
Equity method investment, ownership percentage	80.00%
Sole Employee \| Courtland Houston, Inc.
Accounting Policies [Line Items]
Equity method investment, ownership percentage	20.00%
Baleen Associates, Inc. \| Partnership, Executive Suite Rental Business
Accounting Policies [Line Items]
Equity method investment, ownership percentage	50.00%
Montpelier, VT \| River Corp 260
Accounting Policies [Line Items]
Equity method investment, ownership percentage	70.00%
Montpelier, VT \| Acres
Accounting Policies [Line Items]
Area of vacant commercial building	5.4

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Represents the period of Tax year being audited in the income tax examination, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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This description includes the geographical location and the type of property (unimproved land, parking garage, shopping center, garden apartment, retail outlet, multi-tenant commercial), and may include the name of the property (such as ABC Shopping Center). An amount not exceeding five percent of the total carrying amount of all real estate investments may be described as miscellaneous investments.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

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Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes.

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The other noncash expense, not otherwise specified in the taxonomy, charged against earnings in the period to allocate the cost of tangible and intangible assets over their remaining economic lives.

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Useful life on which depreciation was computed for entities with a substantial portion of business acquiring and holding investment real estate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

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Amount of unrealized gain (loss) related to the increase or decrease in fair value of interest rate derivatives designated as cash flow hedging instruments, which was recorded in accumulated other comprehensive income to the extent that the cash flow hedge was determined to be effective.

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