SUMMARY OF THE CHANGES IN FAIR VALUE OF THE LEVEL 3 (Details)	3 Months Ended
	Aug. 31, 2016 USD ($)
Summary of the changes in fair value of the Level 3 Details
Fair value at May 31, 2014	$ 895
Payments received	(604)
Change in fair value	85
Fair value at May 31, 2015	376
Change in fair value	(46)
Payments received	(200)
Fair value at May 31, 2016	130
Change in fair value	0
Payments received	0
Fair value at August 31, 2016	$ 130