Note 2 - Summary of Significant Accounting Policies (Details Textual)	3 Months Ended
	Feb. 29, 2020
Leasehold Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years
Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	7 years