Property and Equipment (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 15,557,392	$ 14,876,858
Less accumulated depreciation	(11,530,359)	(10,243,094)
Property and equipment - net	4,027,033	4,633,764
Servers, computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	14,287,458	13,656,176
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	621,800	574,559
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 648,134	$ 646,123

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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