Note 2 - Allowance for Doubtful Accounts for Trade Accounts Receivable (Tables)

12 Months Ended

Oct. 31, 2014

Notes Tables

Summary of Changes in the Allowance for Doubtful Accounts for Trade Accounts Receivable [Table Text Block]

	Years ended October 31,
	2014		2013			2012
Balance at beginning of year	$	74,073	$	92,148		$	145,616
Bad debt expense (recovery)		18,915		20,461			(10,327	)
Losses charged to allowance		—		(38,922	)		(43,141	)
Recoveries added to allowance		—		386			—
Balance at end of year	$	92,988	$	74,073		$	92,148