8. Risks and Uncertainties	6 Months Ended
Nov. 30, 2014
Risks and Uncertainties	Greystone derives a substantial portion of its revenue from a national brewer. This customer accounted for approximately 48% and 58% of Greystone’s pallet sales and 43% and 56% of Greystone’s total sales for the six months ended November 30, 2014 and 2013, respectively. Greystone’s recycled plastic pallets are approved for use by the customer and, at the current time, are the only plastic pallets used by the customer for shipping products. There is no assurance that Greystone will retain this customer’s business at the same level, or at all. The loss of a material amount of business from this customer could have a material adverse effect on Greystone. Robert B. Rosene, Jr., a Greystone director, has provided financing and guarantees on Greystone’s bank debt. As of November 30, 2014, Greystone is indebted to Mr. Rosene in the amount of $4,053,146 for a note payable and related accrued interest due January 15, 2017. There is no assurance that Mr. Rosene will continue to provide extensions in the future.

8. Risks and Uncertainties

6 Months Ended

Nov. 30, 2014

Greystone derives a substantial portion of its revenue from a national brewer. This customer accounted for approximately 48% and 58% of Greystone’s pallet sales and 43% and 56% of Greystone’s total sales for the six months ended November 30, 2014 and 2013, respectively. Greystone’s recycled plastic pallets are approved for use by the customer and, at the current time, are the only plastic pallets used by the customer for shipping products. There is no assurance that Greystone will retain this customer’s business at the same level, or at all. The loss of a material amount of business from this customer could have a material adverse effect on Greystone.

Robert B. Rosene, Jr., a Greystone director, has provided financing and guarantees on Greystone’s bank debt. As of November 30, 2014, Greystone is indebted to Mr. Rosene in the amount of $4,053,146 for a note payable and related accrued interest due January 15, 2017. There is no assurance that Mr. Rosene will continue to provide extensions in the future.