Note 14 - Operating Leases (Details Textual) - USD ($)	3 Months Ended	9 Months Ended
	Aug. 31, 2020	Aug. 31, 2020	Feb. 29, 2020	Dec. 01, 2019	Nov. 30, 2019
Operating Lease, Right-of-Use Asset	$ 30,182	$ 30,182		$ 34,316
Operating Lease, Liability, Current	9,406	9,406
Operating Lease, Liability, Noncurrent	20,776	20,776
Lease, Cost, Total	$ 4,208	$ 17,840
Operating Lease, Weighted Average Remaining Lease Term (Month)	3 years 30 days	3 years 30 days
Operating Lease, Weighted Average Discount Rate, Percent	5.50%	5.50%
Other Assets [Member]
Operating Lease, Right-of-Use Asset	$ 30,182	$ 30,182
Accrued Expenses [Member]
Operating Lease, Liability, Current	$ 9,406	$ 9,406
Minimum [Member]
Lessee, Operating Lease, Term of Contract (Month)			1 year
Maximum [Member]
Lessee, Operating Lease, Term of Contract (Month)			5 years