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4. Land and Improvements (Tables)
12 Months Ended
Dec. 31, 2012
Real Estate [Abstract]  
Land and improvement inventories

 

    2012     2011  
                 
Unimproved land   $ 625,000     $ 625,000  
Fully improved land     14,000       14,000  
    $ 639,000     $ 639,000