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Statements Of Changes In Shareholders' Equity (USD $)
Retained Earnings [Member]
Cumulative Translation Adjustment [Member]
Total
Cumulative Translation Adjustment, Beginning of Period at Oct. 31, 2010       
Retained Earnings, Beginning of Period at Oct. 31, 2010       
Net Loss (935,531)    
Currency translation adjustment   (6,389)  
Adjustment of redeemable capital shares to redemption value 935,531 6,389  
Cumulative Translation Adjustment, End of Year at Oct. 31, 2011        
Retained Earnings, End of Period at Oct. 31, 2011        
Net Loss (983,091)   (983,091)
Currency translation adjustment   (12,884)  
Adjustment of redeemable capital shares to redemption value 983,091 12,884  
Cumulative Translation Adjustment, End of Year at Apr. 30, 2012        
Retained Earnings, End of Period at Apr. 30, 2012