Acquisition of patents (Tables)

6 Months Ended

Nov. 30, 2014

Intangible Assets Activity

The following presents intangible assets activity:

	November 30, 2014			May 31, 2014
Gross carrying amounts	$	3,500,000		$	3,500,000
Accumulated amortization		(743,750	)		(568,750	)
Total amortizable intangible assets, net		2,756,250			2,931,250
Patents currently not amortized		35,989			35,989
Carrying value of intangibles, net	$	2,792,239		$	2,967,239