14. Segment Information: Schedule of Sales in Excess of Ten Percent (Details) - USD ($)	May. 31, 2015	May. 31, 2014
Details
Sales to customers in excess of 10% of total sales	$ 13,426,962	$ 16,443,767

Sales to customers in excess of 10% of total sales

No definition available.

Name:	fil_SalesToCustomersInExcessOf10OfTotalSales
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant