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Warrants (Details Textuals) - Warrant [Member] - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Class of Stock [Line Items]    
Issueds of warrants 240,444 804,139
Granted, weighted average $ 0.7875 $ 1.20
Proceed from warrant issued   $ 10