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Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2012
17. Subsequent Events [Abstract]
Subsequent Events [Text Block]	Subsequent Events At maturity, on April 2, 2012, the Company repaid the $41.4 million aggregate principal amount outstanding of the 2012 Senior Notes. As a result, the indenture governing the 2012 Senior Notes is no longer applicable to the Company.