Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and which are expected to be extinguished or otherwise disposed of after one year or beyond the normal operating cycle, if longer, net of the effects of master netting arrangements.

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+ Details

Derivative Financial Instruments (Details 3) (USD $)	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010
Derivative Financial Instruments
Derivative liabilities related to Warrants	$ 4,663,395	$ 4,803,717	$ 3,317,168	$ 3,325,114	$ 3,860,838	$ 7,958,506	$ 5,139,347	$ 3,487,959
Fair value on a recurring basis \| Significant Unobservable Inputs (Level 3) \| Derivative instrument liability \| Warrants
Derivative Financial Instruments
Derivative liabilities related to Warrants	4,663,395			3,325,114
Fair value on a recurring basis \| Total Fair Value \| Derivative instrument liability \| Warrants
Derivative Financial Instruments
Derivative liabilities related to Warrants	$ 4,663,395			$ 3,325,114