8. Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Accounts payable and accrued expenses
Accounts payable	$ 12	$ 6
Accrued audit & professional	32	38
Accrued consulting fees-related party	1	1
Environmental remediation obligations	51	64
Accrued debenture fees	123	119
Accrued miscellaneous	1	1
Total	220	229
Accrued real estate taxes consisted of:
Current real estate taxes	$ 4	$ 8