5. Notes Payable (Details) (USD $)	Nov. 30, 2013	May 31, 2013
Notes Payable Details
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 notes payable	44,825	66,979
Total Notes Payable	10,332,606	11,002,180
Less: Current portion	(1,353,905)	(1,344,160)
Long-term Debt	$ 8,978,701	$ 9,658,020