Note 8 - Accrued Expenses - Major Components of Accrued Expenses (Details) - USD ($)	Aug. 31, 2023	Nov. 30, 2022
Salaries, wages, and commissions	$ 559,694	$ 707,399
Accrued warranty expense	264,033	192,301
Other	317,851	262,061
Total accrued expenses	$ 1,141,578	$ 1,161,761