001 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:definitionLink link:calculationLink 002 - Statement - Condensed Consolidated Balance Sheets (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 003 - Statement - Condensed Consolidated Statements of Operations (Unaudited) link:presentationLink link:definitionLink link:calculationLink 004 - Statement - Condensed Consolidated Statements of Stockholders’ Equity (Deficit) (Unaudited) link:presentationLink link:definitionLink link:calculationLink 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:definitionLink link:calculationLink 006 - Disclosure - Nature of Business and Basis of Presentation link:presentationLink link:definitionLink link:calculationLink 007 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:definitionLink link:calculationLink 008 - Disclosure - Recently Adopted Accounting Pronouncements link:presentationLink link:definitionLink link:calculationLink 009 - Disclosure - Revenue Recognition link:presentationLink link:definitionLink link:calculationLink 010 - Disclosure - Prepaid Expenses and Other Receivables link:presentationLink link:definitionLink link:calculationLink 011 - Disclosure - Property and Equipment, Net link:presentationLink link:definitionLink link:calculationLink 012 - Disclosure - Capitalized Website Costs, Net link:presentationLink link:definitionLink link:calculationLink 013 - Disclosure - Intangible Assets and Goodwill link:presentationLink link:definitionLink link:calculationLink 014 - Disclosure - Accrued Expenses link:presentationLink link:definitionLink link:calculationLink 015 - Disclosure - Convertible Promissory Notes link:presentationLink link:definitionLink link:calculationLink 016 - Disclosure - Capital Structure link:presentationLink link:definitionLink link:calculationLink 017 - Disclosure - Employee Benefit Plan link:presentationLink link:definitionLink link:calculationLink 018 - Disclosure - Net Loss Per Share link:presentationLink link:definitionLink link:calculationLink 019 - Disclosure - Commitments and Contingencies link:presentationLink link:definitionLink link:calculationLink 020 - Disclosure - Related Parties link:presentationLink link:definitionLink link:calculationLink 021 - Disclosure - Accounting Policies, by Policy (Policies) link:presentationLink link:definitionLink link:calculationLink 022 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:definitionLink link:calculationLink 023 - Disclosure - Prepaid Expenses and Other Receivables (Tables) link:presentationLink link:definitionLink link:calculationLink 024 - Disclosure - Property and Equipment, Net (Tables) link:presentationLink link:definitionLink link:calculationLink 025 - Disclosure - Intangible Assets and Goodwill (Tables) link:presentationLink link:definitionLink link:calculationLink 026 - Disclosure - Accrued Expenses (Tables) link:presentationLink link:definitionLink link:calculationLink 027 - Disclosure - Capital Structure (Tables) link:presentationLink link:definitionLink link:calculationLink 028 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:definitionLink link:calculationLink 029 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:definitionLink link:calculationLink 030 - Disclosure - Related Parties (Tables) link:presentationLink link:definitionLink link:calculationLink 031 - Disclosure - Nature of Business and Basis of Presentation (Details) link:presentationLink link:definitionLink link:calculationLink 032 - Disclosure - Summary of Significant Accounting Policies (Details) link:presentationLink link:definitionLink link:calculationLink 033 - Disclosure - Revenue Recognition (Details) link:presentationLink link:definitionLink link:calculationLink 034 - Disclosure - Revenue Recognition (Details) - Schedule of revenue disaggregated by timing of revenue link:presentationLink link:definitionLink link:calculationLink 035 - Disclosure - Prepaid Expenses and Other Receivables (Details) - Schedule of prepaid expenses and other receivables link:presentationLink link:definitionLink link:calculationLink 036 - Disclosure - Property and Equipment, Net (Details) link:presentationLink link:definitionLink link:calculationLink 037 - Disclosure - Property and Equipment, Net (Details) - Schedule of property and equipment, net link:presentationLink link:definitionLink link:calculationLink 038 - Disclosure - Capitalized Website Costs, Net (Details) link:presentationLink link:definitionLink link:calculationLink 039 - Disclosure - Intangible Assets and Goodwill (Details) link:presentationLink link:definitionLink link:calculationLink 040 - Disclosure - Intangible Assets and Goodwill (Details) - Schedule of intangible assets link:presentationLink link:definitionLink link:calculationLink 041 - Disclosure - Intangible Assets and Goodwill (Details) - Schedule of finite-lived intangible assets amortization expense link:presentationLink link:definitionLink link:calculationLink 042 - Disclosure - Accrued Expenses (Details) - Schedule of accrued expenses link:presentationLink link:definitionLink link:calculationLink 043 - Disclosure - Convertible Promissory Notes (Details) link:presentationLink link:definitionLink link:calculationLink 044 - Disclosure - Capital Structure (Details) link:presentationLink link:definitionLink link:calculationLink 045 - Disclosure - Capital Structure (Details) - Schedule of valuation of options granted link:presentationLink link:definitionLink link:calculationLink 046 - Disclosure - Capital Structure (Details) - Schedule of option activity under the stock option plans link:presentationLink link:definitionLink link:calculationLink 047 - Disclosure - Capital Structure (Details) - Schedule of options vested and exercisable link:presentationLink link:definitionLink link:calculationLink 048 - Disclosure - Capital Structure (Details) - Schedule of options expected to vest link:presentationLink link:definitionLink link:calculationLink 049 - Disclosure - Net Loss Per Share (Details) - Schedule of basic and diluted net loss per share link:presentationLink link:definitionLink link:calculationLink 050 - Disclosure - Net Loss Per Share (Details) - Schedule of anti-dilutive shares link:presentationLink link:definitionLink link:calculationLink 051 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:definitionLink link:calculationLink 052 - Disclosure - Commitments and Contingencies (Details) - Schedule of lease activity link:presentationLink link:definitionLink link:calculationLink 053 - Disclosure - Commitments and Contingencies (Details) - Schedule of operating lease liabilities link:presentationLink link:definitionLink link:calculationLink 054 - Disclosure - Commitments and Contingencies (Details) - Schedule of lease liabilities under non-cancellable finance leases link:presentationLink link:definitionLink link:calculationLink 055 - Disclosure - Related Parties (Details) link:presentationLink link:definitionLink link:calculationLink 056 - Disclosure - Related Parties (Details) - Schedule of net purchasing activity link:presentationLink link:definitionLink link:calculationLink 000 - Document - Document And Entity Information link:presentationLink link:definitionLink link:calculationLink