Income Taxes - Additional Information (Detail)	3 Months Ended
Jan. 31, 2017 USD ($)
Income Tax Contingency [Line Items]
Income tax expense (benefit)	$ 5,908
Repatriation	$ 126,948

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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