XML 48 R37.htm IDEA: XBRL DOCUMENT v3.8.0.1
ACCOUNTS RECEIVABLE (Narrative) (Details) - USD ($)
Jan. 31, 2018
Oct. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Allowance for Doubtful Accounts Receivable $ 797,000 $ 639,000