Quarterly report pursuant to Section 13 or 15(d)

Warrant Liability (Details Textual)

v3.3.0.814
Warrant Liability (Details Textual) - USD ($)
 9 Months Ended 12 Months Ended
Apr. 09, 2012
Sep. 30, 2015
Dec. 31, 2013
Dec. 31, 2012
Oct. 31, 2014
Class of Warrant or Right [Line Items]          
Notional Liquidation Damages   $ 2,500,000      
Institutional Investor [Member] | Common Stock [Member]          
Class of Warrant or Right [Line Items]          
Stock Issued During Period Shares Private Placement 1,185,034        
Series A Warrants [Member]          
Class of Warrant or Right [Line Items]          
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 4.89
Class of Warrant or Right Exercised During Period     201,639    
Proceeds from Warrant Exercises     $ 1,275,000    
Class Of Warrant Or Right Subject To Expiry     983,395    
Investment Warrants Expiration Date   Apr. 30, 2018      
Series A Warrants [Member] | Minimum [Member]          
Class of Warrant or Right [Line Items]          
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 4.89        
Series A Warrants [Member] | Maximum [Member]          
Class of Warrant or Right [Line Items]          
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 6.32        
Series A Warrants [Member] | Institutional Investor [Member]          
Class of Warrant or Right [Line Items]          
Warrants To Purchase Common Stock Shares 1,185,034        
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 6.32        
Series B Warrants [Member]          
Class of Warrant or Right [Line Items]          
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 4.67  
Class of Warrant or Right Exercised During Period       1,047,609  
Class Of Warrant Or Right Expired During Period       137,425  
Series B Warrants [Member] | Institutional Investor [Member]          
Class of Warrant or Right [Line Items]          
Warrants To Purchase Common Stock Shares 1,185,034        
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 4.67        
Class A Warrant [Member]          
Class of Warrant or Right [Line Items]          
Class of Warrant or Right, Exercise Price of Warrants or Rights         3.30
Price Per Share Of Warrants         $ 0.75
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right         2,863,643
Underwriter Warrant [Member]          
Class of Warrant or Right [Line Items]          
Warrants To Purchase Common Stock Shares   114,546      
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 3.30