Notes Payable - Summary of notes payable and accrued interest (Details) (Parentheticals) (Vulcan Note payable, USD $)	Mar. 31, 2013	Dec. 31, 2012
Vulcan Note payable
Debt Instrument [Line Items]
Net of debt discount	$ 75,000	$ 100,000

The amount of debt discount (net of debt premium) that was originally recognized at the issuance of the instrument that has yet to be amortized.

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