Comparative Figures	12 Months Ended
Dec. 31, 2011
Notes To Financial Statements [Abstract]
Comparative figures	20 – Comparative figures Certain figures previously reported in 2010 and 2009 have been reclassified to conform with the basis of presentation adopted in 2011.

Advises reader that certain reclassifications have been made to the presentation in the prior year to conform with basis of presentation adopted in current year.

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