Related party transactions -Additional Information (Detail) (USD $)	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011
Related Party Transaction [Line Items]
Note receivable from stockholder	$ 66,980	$ 66,980
Chief Executive Officer
Related Party Transaction [Line Items]
Note receivable from stockholder	66,980	66,980
Debt Instrument, Interest Rate During Period	6.00%
Former Director
Related Party Transaction [Line Items]
Cost of Services	$ 43,093	$ 52,684