Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Additional Information (Detail)

v3.3.1.900
Intangible Assets - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
May. 31, 2014
Nov. 30, 2015
Nov. 30, 2014
Finite-Lived Intangible Assets, Net [Abstract]      
Abandonment of patents $ 26,000   $ 25,649
Amortization expense   $ 23,000 $ 28,000