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Warrant Liability (Restated) (Details Textual) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended
Jun. 16, 2014
Dec. 20, 2013
Sep. 30, 2015
Sep. 30, 2015
Jun. 30, 2015
Dec. 31, 2014
Warrant liability [Line Items]            
Warrants Issued Against Its Ordinary Shares   9,200,000   9,200,000    
Warrants Exercised By Investors 1,382,217     1,382,217    
Class of Warrant or Right, Outstanding     7,817,783 7,817,783 9,097,430 9,097,430
Percentage of Warrants Exercised         14.10%  
Exercise Of Warrants For Shares       1,279,647    
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right     532,078 532,078    
Warrants exercised on a cash basis       102,570    
Fair Value Of Change in fair value to the date of cashless exercise     $ (2,600) $ 4,212    
Adjustments to Additional Paid in Capital, Gain Loss on Exercise of Warrants       $ 7,002    
Warrant [Member]            
Warrant liability [Line Items]            
Exercise Of Warrants For Shares       1,279,647    
Convertible Notes Payable [Member]            
Warrant liability [Line Items]            
Debt Conversion, Converted Instrument, Warrants or Options Issued   200,000   200,000    
IPO [Member]            
Warrant liability [Line Items]            
Warrants Issued Against Its Ordinary Shares   4,200,000   4,200,000    
Private Placement [Member]            
Warrant liability [Line Items]            
Warrants Issued Against Its Ordinary Shares   4,800,000   4,800,000