XML 49 R27.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Note 2 - Allowance for Doubtful Accounts for Trade Accounts Receivable (Tables) | 12 Months Ended
--- | ---
Oct. 31, 2015
Notes Tables |
Summary of Changes in the Allowance for Doubtful Accounts for Trade Accounts Receivable [Table Text Block] |
|  | Years ended October 31, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Balance at beginning of year |  | $ | 92,988 |  |  | $ | 74,073 |  |  | $ | 92,148 |
Bad debt expense (recovery) |  |  | (16,889 | ) |  |  | 18,915 |  |  |  | 20,461 |
Losses charged to allowance |  |  | (13,088 | ) |  |  | — |  |  |  | (38,922 | )
Recoveries added to allowance |  |  | — |  |  |  | — |  |  |  | 386 |
Balance at end of year |  | $ | 63,011 |  |  | $ | 92,988 |  |  | $ | 74,073 |

X
- Definition Summary Of Changes In The Allowance For Doubtful Accounts For Trade Accounts Receivable [Table Text Block] + References No definition available. + Details
Name: | occ_SummaryOfChangesInAllowanceForDoubtfulAccountsForTradeAccountsReceivableTableTextBlock
Namespace Prefix: | occ_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration