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Remeasurement of Acquisition Liabilities (Details 1) (Remeasurement Of Warrants [Member], USD $)
6 Months Ended
Jun. 30, 2012
Remeasurement Of Warrants [Member]
 
Share Price $ 4.40
Risk-free interest rate 1.00%
Dividend yield 0.00%
Expected volatility 56.26%
Expected term 6 years