5. Debt (Details) (USD $)	Nov. 30, 2014	May 31, 2014
Debt Details
Term note payable to International Bank of Commerce, interest rate of 4.5%, due January 31, 2019, monthly principal and interest payments of $171,760	$ 7,806,438	$ 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	100,000	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	3,291,148	3,371,660
Note payable to Robert Rosene, 7.5% interest, due January 15, 2017	2,066,000	2,066,000
Other notes payable	0	33,684
Total Notes Payable	13,263,586	14,504,121
Less: Current portion	(1,923,523)	(3,979,376)
Long-term Debt	$ 11,340,063	$ 10,524,745