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Unaudited Condensed Statement of Changes in Shareholders' Deficit (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Mar. 31, 2012
Unaudited Condensed Statement of Changes in Shareholders' Deficit [Abstract]  
Shareholders' Deficit - Opening Balance $ (21,948,152) [1]
Net Gain for the period 1,046,517
Adjustment of Redeemable Shares to redemption value (1,205,585)
Shareholders' Deficit - Closing Balance $ (22,107,220)
[1] Derived from audited statement of condition as of September 30, 2011.