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Variable Interest Entity - Additional Information (Detail) (USD $) | 12 Months Ended |
--- | --- | ---
Oct. 31, 2012 | Oct. 31, 2011
Variable Interest Entity [Line Items] |  |
Reduction in total assets | $ (1,600,000) |
Reduction in total liabilities | (1,400,000) |
Restricted cash |  | 66,926
Other current assets | 639,954 | 511,832
Other assets | 34,658 | 102,828
Total assets | 25,463,418 | 24,377,946
Liabilities | 5,233,113 | 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
Total assets |  | 1,627,346
Liabilities |  | $ 1,413,730

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