Note 7 - Accrued Expenses (Tables)

3 Months Ended

Feb. 28, 2021

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	February 28, 2021		November 30, 2020
Salaries, wages, and commissions	$	683,180	$	726,625
Accrued warranty expense		295,581		291,454
Other		219,424		261,233
	$	1,198,185	$	1,279,312