1. Summary of Significant Accounting Policies (Details 1) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Summary Of Significant Accounting Policies Details
Numerator for basic and diluted earnings -loss) per share	$ 69,408	$ (14,460)
Basic	19,473	19,013
Incremental common shares attributable to exercise of outstanding options and warrants	6,005
Denominator for diluted earnings -loss) per share	25,478	19,013
Basic earnings -loss) per share	$ 3.56	$ (0.76)
Diluted earnings -loss) per share	$ 2.72	$ (0.76)