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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $)	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011
Summary Of Significant Accounting Policies Details 2
Gross realized gains	$ 4,112,394	$ 2,504,248
Gross realized (losses)	(4,779,697)	(3,726,983)
Unrealized gains (losses)	500,169	(2,143,057)
Total	$ (167,134)	$ (3,365,792)