Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
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Long Term Debt Maturity Date.

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Area of a real estate property.

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Identification of the lender and information about a contractual promise to repay a short-term or long-term obligation, which includes borrowings under lines of credit, notes payable, commercial paper, bonds payable, debentures, and other contractual obligations for payment. This may include rationale for entering into the arrangement, significant terms of the arrangement, which may include amount, repayment terms, priority, collateral required, debt covenants, borrowing capacity, call features, participation rights, conversion provisions, sinking-fund requirements, voting rights, basis for conversion if convertible and remarketing provisions. The description may be provided for individual debt instruments, rational groupings of debt instruments, or by debt in total.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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Description of any adjustments made to the stated rate to determine the effective rate.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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

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Amount, after accumulated amortization, of debt premium.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Amount of interest capitalized during the period.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Date the credit facility terminates, in CCYY-MM-DD format.

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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 borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.

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The number of real estate properties owned as of the balance sheet date.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Loans Payable and Secured Line of Credit (Details Textual)			1 Months Ended		3 Months Ended
	May 11, 2016 USD ($)	Feb. 09, 2015 USD ($)	Dec. 22, 2017 USD ($) ft²	Feb. 22, 2017 USD ($)	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Aug. 04, 2017 USD ($)
Long Term Debt Maturity Date		Feb. 08, 2018
Interest Costs Capitalized					$ 231,000
Long-term Line of Credit					0		$ 0
Line of Credit Facility, Expiration Date				Feb. 22, 2019
Loans Payable					41,242,000		36,167,000
Landmarked Robert And Anne Dickey House [Member]
Area of Real Estate Property \| ft²			7,500
Sterling National Bank [Member]
Debt Instrument, Description of Variable Rate Basis				100
Debt Instrument, Interest Rate, Effective Percentage				3.75%
Line of Credit Facility, Maximum Borrowing Capacity				$ 12,000,000				$ 11,000,000
Secured Debt									$ 2,900,000
Line of Credit Facility, Remaining Borrowing Capacity					9,100,000
Interest Rate Cap [Member]
Interest Expense, Debt					1,000	$ 1,000
Interest Rate Cap [Member] \| Prepaid Expenses and Other Current Assets [Member]
Derivative Asset, Fair Value, Gross Asset					$ 575,000		$ 344,000
West Palm Beach Florida Loan [Member]
Debt Instrument, Interest Rate, Basis for Effective Rate	interest at 30-day LIBOR plus 230 basis points.
Debt Instrument, Interest Rate, Effective Percentage					4.18%		3.86%
Debt Instrument, Unamortized Premium	$ 14,000
Line of Credit Facility, Maximum Borrowing Capacity	12,600,000
Derivative, Notional Amount	$ 9,100,000
Derivative Asset, Fair Value, Gross Asset							$ 5,000
West Palm Beach Florida Loan [Member] \| Interest Rate Cap [Member] \| Prepaid Expenses and Other Current Assets [Member]
Derivative Asset, Fair Value, Gross Asset					$ 4,000
Greenwich Loan [Member]
Debt Instrument, Interest Rate, Effective Percentage						5.25%
Greenwich Construction Loan [Member]
Debt Instrument, Unamortized Premium			$ 393,000
Derivative, Notional Amount			189,500,000
Debt Instrument, Face Amount			$ 189,500,000
Number of Real Estate Properties			90
Debt Instrument, Description			(i) LIBOR plus 8.25% and (ii) 9.25%. The effective interest rate on the 77 Greenwich Construction Facility was 10.13% as of March 31, 2018.
Loans Payable					$ 37,200,000		$ 32,700,000
Greenwich Construction Loan [Member] \| Multi Use Building [Member]
Area of Real Estate Property \| ft²			300,000
Maximum [Member]
Debt Instrument, Interest Rate, Stated Percentage	3.00%		2.50%
TPH Borrower [Member]
Loans Payable to Bank		$ 40,000,000
TPH Borrower [Member] \| West Palm Beach Florida Loan [Member]
Long-term Line of Credit	$ 9,100,000