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8. Accounts Payable and Accrued Expenses (Tables)
3 Months Ended
Mar. 31, 2015
Payables and Accruals [Abstract]  
Accounts payable and accrued expenses consist
    March 31,     December 31,  
    2015     2014  
    ($ in thousands)  
       
Accounts payable   $ 17     $ 6  
Accrued audit & professional     37       38  
Accrued consulting fees-related party     1       1  
Environmental remediation obligations     61       64  
Accrued debenture fees     122       119  
Accrued miscellaneous     2       1  
    $ 240     $ 229  
                 
Accrued real estate taxes consisted of:                
Current real estate taxes   $ 2     $ 8