Property and Equipment (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 15,452,576	$ 15,229,094
Less accumulated depreciation	(11,820,226)	(10,704,976)
Property and equipment - net	3,632,350	4,524,118
Servers, computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	14,231,248	14,044,505
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	553,013	521,233
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 668,315	$ 663,356

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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