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Fair Value Measurements (Details Textual) - Purchase Agreement [Member] - $ / shares
6 Months Ended
Jun. 30, 2016
May 19, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   1,418,440
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 1.7625
Class of Warrant or Right, Expiration Date May 19, 2021  
Class of Warrant or Right, Date from which Warrants or Rights Exercisable Nov. 19, 2016  
Placement Agent [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   141,844
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 1.7625