Risks and Uncertainties (Details Narrative) (USD $)	9 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	May 31, 2014
Note payable	$ 13,325,752		$ 14,504,121
Robert B Rosene [Member]
Note payable	$ 4,053,146
Debt instrument maturity date	Jan. 15, 2017
Greystone Pallet Sales [Member]
Percentage of sales	44.00%	50.00%
Greystone Total Sales [Member]
Percentage of sales	40.00%	47.00%