Accounts Receivable (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Jul. 31, 2018	Oct. 31, 2018	Oct. 31, 2017
Accounts Receivable [Abstract]
Allowance for doubtful accounts		$ 676	$ 1,271
Bad debt expense		$ 32	493
Accounts receivable factored	$ 13,545		7,567
Accounts receivable recourse liability	$ 11,742		$ 8,072