Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net (Details Textual)

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Property and Equipment, Net (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Property Plant and Equipment Net (Textual)    
Amortization of assets under capital lease $ 16,000 $ 25,000