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Stock Based Compensation (Details Textual) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
Stock Based Compensation (Details Textual) (USD $)	Oct. 31, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Stock Based Compensation (Textual) [Abstract]
Fair value of Warrant						$ 1,900,000
Stock-based compensation expense		2,195,000	3,049,000	10,923,000	6,261,000
Recorded a loss from derivative instruments		4,300,000		4,300,000
Stock options granted	200,000
Share based Compensation expense						0
Total expense relating to the modification and change in fair value for the warrant				8,600,000
Warrant grant [Member]
Stock Based Compensation (Textual) [Abstract]
Stock-based compensation expense				4,300,000
Vested awards [Member]
Stock Based Compensation (Textual) [Abstract]
Stock-based compensation expense				$ 903,000

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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- Definition

The amount of loss recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

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