DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Texual)	12 Months Ended
Dec. 31, 2016 USD ($) a shares	Dec. 31, 2015 USD ($) shares	Sep. 14, 2014 a
Noncontrolling Interest, Ownership Percentage by Parent	95.00%
Area of Land \| a			9.5
SEC Schedule III, Real Estate and Accumulated Depreciation, Life Used for Depreciation	39 years 6 months
Other Depreciation and Amortization	$ 15,000	$ 15,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount \| shares	17,700	12,500
Percentage of Increase in Extension Permit	5.00%
Cash, Uninsured Amount	$ 50,000	$ 399,000
Cash, FDIC Insured Amount	250,000
Operating Leases, Rent Expense, Minimum Rentals	52,920
Margin Balance Outstanding Relating to Purchase of Treasury Bills		7,999,000
Trading Securities Pledged as Collateral	$ 49,000	$ 0
Courtland Investment Inc [Member]
Noncontrolling Interest, Ownership Percentage by Parent	95.00%
260 River Corp [Member]
Noncontrolling Interest, Ownership Percentage by Parent	70.00%
Area of Land \| a	5.4
Baleen Associates, Inc [Member]
Noncontrolling Interest, Ownership Percentage by Parent	50.00%

This element represent carrying value of marginal treasury bills.

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This element represents increase in percentage of extension permit.

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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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Area of land held.

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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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The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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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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Amount of expense charged against earnings to allocate the cost of tangible and intangible assets over their remaining economic lives, classified as other.

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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 fair value of trading securities that serve as collateral for borrowings.

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