Note 3 - Allowance for Doubtful Accounts (Tables)

12 Months Ended

Nov. 30, 2019

Notes Tables

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

	Twelve Months Ended
	November 30, 2019			November 30, 2018
Balance, beginning	$	25,100		$	32,298
Provision charged to expense		(1,602	)		2,242
Less amounts charged-off		(573	)		(9,440	)
Balance, ending	$	22,925		$	25,100