Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets Activity (Detail)

v3.3.1.900
Intangible Assets Activity (Detail) - USD ($)
Nov. 30, 2015
May. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross carrying amounts $ 3,500,000 $ 3,500,000
Accumulated amortization (1,093,750) (918,750)
Total amortizable intangible assets, net 2,406,250 2,581,250
Patents currently not amortized 35,989 35,989
Carrying value of intangibles, net $ 2,442,239 $ 2,617,239