Note 16 - Common Stock Purchase Agreement - Summary of Shares Purchased by Alumni Capital (Details) - USD ($)							9 Months Ended
	Sep. 23, 2022	Aug. 23, 2022	Aug. 15, 2022	Aug. 03, 2022	Jul. 25, 2022	Mar. 29, 2022	Aug. 31, 2023	Aug. 31, 2022
Proceeds							$ 0	$ 431,408
Alumni Capital [Member]
Shares (in shares)	65,000	65,000	50,000	50,000	50,000	20,000	280,000	20,000
Share price net of discount (in dollars per share)	$ 1.76	$ 1.99	$ 2.00	$ 1.98	$ 2.07
Proceeds	$ 114,120	$ 129,253	$ 99,910	$ 98,940	$ 103,305		$ 545,528