Note 2 - Allowance for Doubtful Accounts (Tables)

12 Months Ended

Nov. 30, 2022

Notes Tables

Financing Receivable, Allowance for Credit Loss [Table Text Block]

	Twelve Months Ended
	November 30, 2022			November 30, 2021
Balance, beginning	$	38,188		$	51,175
Provision (recovery) charged to expense		(7,722	)		(4,160	)
(Less amounts charged-off)/Recovery		4,233			(8,827	)
Balance, ending	$	34,699		$	38,188