Warrant Liability (Details Narrative) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Notes to Financial Statements
Warrant liabilities	$ 3,100,000	$ 900,000
Income from change in fair value of warrants	$ 1,200,000	$ 3,700,000

Fair value of the gross liabilities less the gross assets of a derivative liability or group of derivative liabilities.

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