8. Accounts Payable and Accrued Expenses (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Accounts payable and accrued expenses
Accounts payable	$ 2	$ 0
Accrued audit & professional	25	36
Accrued consulting fees-related party	1	1
Environmental remediation obligations	70	70
Accrued debenture fees	107	103
Accrued miscellaneous	1	1
Total	206	211
Accrued real estate taxes consisted of:
Accrued real estate taxes	$ 4	$ 8

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Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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