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Significant Accounting Policies - Schedule of Estimated Useful Lives of Property and Equipment (Details)
12 Months Ended
Dec. 31, 2017
Furniture and Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 5 years
Furniture and Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 7 years
Leasehold Improvements [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 1 year 8 months 12 days
Leasehold Improvements [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 10 years 4 months 24 days