Note 3 - Allowance for Doubtful Accounts for Trade Accounts Receivable

3 Months Ended

Jan. 31, 2017

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,

2017

and

2016

follows:

	Three Months Ended
	January 31,
	2017			2016
Balance at beginning of period	$	74,266		$	63,011
Bad debt expense (recovery)		(568	)		7,075
Losses charged to allowance		(4,729	)		-
Balance at end of period	$	68,969		$	70,086