8. Accounts Payable and Accrued Expenses (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Accounts payable and accrued expenses
Accounts payable	$ 4
Accrued audit & professional	34	36
Accrued consulting fees-related party	1	1
Environmental remediation obligations	70	70
Accrued debenture fees	105	103
Accrued miscellaneous	1	1
Total	215	211
Accrued real estate taxes consisted of:
Current real estate taxes	$ 2	$ 8