XML 46 R20.htm IDEA: XBRL DOCUMENT v2.4.1.9
Significant Accounting Policies - Additional Information (Detail) (USD $)
12 Months Ended
Oct. 31, 2014
Accounting Policies [Abstract]  
Provision for federal income taxes $ 0us-gaap_CurrentFederalTaxExpenseBenefit
Minimum days required to stay for tax liability 183 days