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8. Accounts Payable and Accrued Expenses (Tables)
6 Months Ended
Jun. 30, 2015
Payables and Accruals [Abstract]  
Accounts payable and accrued expenses consist
    June 30,     December 31,  
    2015     2014  
    ($ in thousands)  
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  
    $ 220     $ 229  
                 
Accrued real estate taxes consisted of:                
Current real estate taxes   $ 4     $ 8