Note 15 - Common Stock Purchase Agreement - Summary of Shares Purchased by Alumni Capital (Details) - USD ($)							2 Months Ended	9 Months Ended
	Sep. 23, 2022	Aug. 23, 2022	Aug. 15, 2022	Aug. 03, 2022	Jul. 25, 2022	Mar. 29, 2022	Sep. 23, 2022	Aug. 31, 2022	Aug. 31, 2021
Proceeds from common stock purchase agreement								$ 431,408	$ 0
Alumni Capital [Member]
Common stock purchase agreement (in shares)	65,000	65,000	50,000	50,000	50,000	20,000	280,000	40,000
Shares Issued, Price Per Share	$ 1.76	$ 1.99	$ 2.00	$ 1.98	$ 2.07		$ 1.76
Proceeds from common stock purchase agreement	$ 114,120	$ 129,253	$ 99,910	$ 98,940	$ 103,305		$ 545,528