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Summary of Significant Accounting Policies (Details Textual)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Summary of Significant Accounting Policies (Textual)    
Federal corporate tax rate (34.00%) (34.00%)
Maximum [Member]    
Summary of Significant Accounting Policies (Textual)    
Federal corporate tax rate (35.00%)  
Minimum [Member]    
Summary of Significant Accounting Policies (Textual)    
Federal corporate tax rate (21.00%)