Significant Accounting Policies and Estimates (Details 2)	6 Months Ended
	Jun. 30, 2018
Office equipment and computers | Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Office equipment and computers | Maximum [Member]
Property, Plant and Equipment, Useful Life	5 years
Furniture and fixtures [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life	5 years
Furniture and fixtures [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life	8 years
Website development costs [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	2 years
Website development costs [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	3 years