Exercise price of the warrants.

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Costs and payments related to employee benefits and equity-based compensation, such as pension expense and contributions, other postretirement benefits expense and payments, stock or unit options expense, and amortization of restricted stock or unit.

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Stock Warrants (Narrative) (Details) (USD $)	1 Months Ended	12 Months Ended
Stock Warrants (Narrative) (Details) (USD $)	Mar. 28, 2008	Dec. 31, 2010	Dec. 31, 2009
Class of Stock [Line Items]
Preferred Units, Issued	9,117,647us-gaap_PreferredUnitsIssued
Proceeds from issuance of common stock and warrants	15,500,000
Series A Warrant [Member]
Class of Stock [Line Items]
Preferred Units, Issued	242,611
Warrant, exercise price	81.60
Series B Warrant [Member]
Class of Stock [Line Items]
Preferred Units, Issued	241,705
Warrant, exercise price	102.00
Series A and B Warrant [Member]
Class of Stock [Line Items]
Warrant rights of exercisable amount of common stock			484,315
Fair value assumption, expected lives	5 years	3 years
Fair value assumption, expected volatility	89.00%	57.00%
Fair value assumption, risk-free interest rate	2.51%	1.67%
Fair value assumption, dividend yield	0.00%	0.00%
Adjustment to additional paid in capital			6,020,000
Retained earnings (accumulated deficit)		36,502,385	2,792,017
Warrant liabilities			8,812,017
Fair value of the warrants			44,304,034
Gain (loss) recognized from change in fair value of warrants			35,492,017
Compensation expense recognized		7,801,649
Class C Warrants [Member]
Class of Stock [Line Items]
Warrant, exercise price		$ 120
Warrant rights of exercisable amount of common stock		8,333
Fair value assumption, expected lives		2 years 9 months
Fair value assumption, expected volatility		54.00%
Fair value assumption, risk-free interest rate		1.25%
Fair value assumption, dividend yield		0.00%
Compensation expense recognized		$ 558,180