Note 3 - Allowance for Doubtful Accounts for Trade Accounts Receivable

3 Months Ended

Jan. 31, 2019

Notes to Financial Statements

Allowance for Doubtful Accounts for Trade Accounts Receivable Disclosure [Text Block]

(

3

)   Allowance for Doubtful Accounts for Trade Accounts Receivable

A summary of changes in the allowance for doubtful accounts for trade accounts receivable for the

three

months ended

January 31, 2019

and

2018

follows:

	Three Months Ended
	January 31,
	2019		2018
Balance at beginning of period	$	64,242	$	87,446
Bad debt expense		23,809		23,489
Losses charged to allowance		—		(3,127	)
Balance at end of period	$	88,051	$	107,808