XML 17 R6.htm IDEA: XBRL DOCUMENT v2.4.0.6
Condensed Statement of Changes in Shareholders' Deficit (USD $)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Shareholders’ deficit - opening balance     $ (18,274,489) [1]    
Net loss for the period (5,049,053) 46,675,275 (1,204,274) 49,663,433  
Adjustment of redeemable Shares to redemption value     19,478,763   78,228,486
Shareholders’ deficit - closing balance $ 0   $ 0   $ (18,274,489) [1]
[1] Derived from audited Statement of Financial Condition as of December 31, 2011.