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Variable Interest Entity - Additional Information (Detail) (USD $)	9 Months Ended
	Jul. 31, 2012	Oct. 31, 2011
Variable Interest Entity [Line Items]
Reduction in total assets	$ (1,600,000)
Reduction in total liabilities	(1,400,000)
Other current assets	594,451	511,832
Other assets	32,159	102,828
Assets	23,204,389	24,377,946
Liabilities	4,109,572	4,699,918
Operations of K&K
Variable Interest Entity [Line Items]
Restricted cash		66,926
Other current assets		12,827
Land and building, net		1,476,925
Other assets		70,668
Assets		1,627,346
Liabilities		$ 1,413,730

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