Summary of significant accounting policies (Tables)

12 Months Ended

Nov. 30, 2017

Accounting Policies [Abstract]

Schedule of Plant and Equipment Estimated Useful Lives [Table Text Block]

Amortization periods by asset class are:

Computer hardware and software	3 years
Machinery and equipment	3 years
Office furniture and equipment	5 years
Vehicles	3 years
Leasehold Improvements	lease term