Note 14 - Operating Leases (Details Textual) - USD ($)	3 Months Ended
	Feb. 29, 2020	Nov. 30, 2019
Operating Lease, Right-of-Use Asset	$ 34,316
Operating Lease, Liability, Current	9,169
Operating Lease, Liability, Noncurrent	25,147
Lease, Cost, Total	$ 8,151
Operating Lease, Weighted Average Remaining Lease Term (Month)	3 years 180 days
Operating Lease, Weighted Average Discount Rate, Percent	5.50%
Other Assets [Member]
Operating Lease, Right-of-Use Asset	$ 34,316
Accrued Expenses [Member]
Operating Lease, Liability, Current	$ 9,169
Minimum [Member]
Lessee, Operating Lease, Term of Contract (Month)	1 year
Maximum [Member]
Lessee, Operating Lease, Term of Contract (Month)	5 years