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5. Notes Payable (Tables)
6 Months Ended
Nov. 30, 2013
Notes Payable
    November 30,     May 31,  
    2013     2013  
Note payable to F&M Bank & Trust Company, prime rate of interest but not less than 4.5%, due March 13, 2015, monthly principal payments of $76,561 plus interest   $ 4,134,285     $ 4,593,650  
                 
Note payable by GRE to F&M Bank & Trust Company, prime rate of interest but not less than 4.75%, due February 15, 2016, monthly installments $35,512, secured by buildings and land     3,232,827       3,366,108  
                 
Capitalized lease payable, 5% interest     326,953       381,727  
                 
Note payable to Robert Rosene, 7.5% interest, due January 15, 2015     2,066,000       2,066,000  
                 
Note payable to Warren Kruger, 7.5% interest, due January 15, 2015     527,716       527,716  
                 
Other note payable     44,825       66,979  
      10,332,606       11,002,180  
Less: Current portion     (1,353,905 )     (1,344,160 )
Long-term debt   $ 8,978,701     $ 9,658,020