5. Debt (Details) (USD $)	Aug. 31, 2014	May 31, 2014
Debt Details
Term note payable to International Bank of Commerce, interest rate of 4.5%, monthly principal and interest payments of $171,760, maturing January 31, 2019	$ 8,369,639	$ 8,647,777
Revolving note payable to International Bank of Commerce, prime rate of interest plus 0.5% but not less than 4%, due January 31, 2016	0	385,000
Term note payable by GRE to International Bank of Commerce, interest rate of 4.5%, due January 31, 2019, monthly principal and interest payments of $26,215	3,331,635	3,371,660
Note payable to Robert Rosene, 7.5% interest, due January 15, 2015	2,066,000	2,066,000
Other notes payable	33,684	33,684
Total Notes Payable	13,800,958	14,504,121
Less: Current portion	(4,140,408)	(3,979,376)
Long-term Debt	$ 9,660,550	$ 10,524,745