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Notes and Short-term Receivables (Tables)
6 Months Ended
Jun. 30, 2014
Notes And Short-term Receivables Tables  
Schedule of notes and short-term receivables

At June 30, 2014 and December 31, 2013, notes and short-term receivables, including accrued interest, consisted of: 

 

    June 30, 2014     December 31, 2013  
Note receivable - Vulcan   $ 468,000     $ 440,000  
                 
Total notes and short-term receivables   $ 468,000     $ 440,000