Note 7 - Accrued Expenses (Tables)

9 Months Ended

Aug. 31, 2022

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	August 31, 2022		November 30, 2021
Salaries, wages, and commissions	$	772,446	$	654,757
Accrued warranty expense		156,827		202,850
Other		342,155		304,766
	$	1,271,428	$	1,162,373