Subsequent Events (Details) (USD $)			1 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2012 Subsequent Event Business Combination Agreement [Member]	Sep. 30, 2012 Subsequent Event Business Combination Agreement Combined Entity [Member]	Sep. 30, 2012 Subsequent Event Business Combination Agreement Termination Contingency [Member]
Subsequent Event
Common stock, par value	$ 0.0001	$ 0.0001		$ 0.00001
Subsequent Event, Proposed Business Combination, Reverse Stock Split Conversion Ratio			0.5
Subsequent Event, Proposed Business Combination, Potential Cash Payment to Shareholders			$ 1,500,000,000
Subsequent Event, Proposed Business Combination, Accounting Acquirer Equity Interest, Percentage Ownership			74.00%
Subsequent Event, Proposed Business Combination, Potential Termination Liability					150,000,000
Subsequent Event, Proposed Business Combination, Potential Termination Receivable					$ 250,000,000