INTANGIBLE ASSETS, net (Tables)

12 Months Ended

May 31, 2014

Disclosure Text Block [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	2014		2013
Patents and licenses	$	491,670	$	245,174
Less accumulated amortization		(109,489)		(79,974)
Intangible Assets, Net	$	382,181	$	165,200

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2015	$	72,269
2016		72,269
2017		72,195
2018		66,421
2019		63,721
Thereafter		35,306
Total	$	382,181