Stockholders' Equity Schedule Of Assumptions Used In Black-Scholes Model - Warrants (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2012 Y
A C and Placement Agent Warrants of $3.26
Stock price	$ 6.87
Exercise price	$ 6.00
Expected life	5.00
Volatility	46.63%
Discount rate	2.37%
F Warrants of $1.51
Stock price	$ 5.52
Exercise price	$ 6.00
Expected life	5.00
Volatility	30.30%
Discount rate	2.10%
Placement Agent Warrants of $1.23
Stock price	$ 5.52
Exercise price	$ 6.90
Expected life	5.00
Volatility	30.30%
Discount rate	2.10%
G and Placement Warrants of $1.04
Stock price	$ 3.99
Exercise price	$ 4.71
Expected life	5.00
Volatility	33.57%
Discount rate	1.51%