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Disclosure - Cash, Cash Equivalents, and Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 999024 - Disclosure - Convertible Notes Payable (Tables) link:presentationLink link:calculationLink link:definitionLink 999025 - Disclosure - Share-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 999026 - Disclosure - Segment (Tables) link:presentationLink link:calculationLink link:definitionLink 999027 - Disclosure - Schedule of Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 999028 - Disclosure - Schedule of Accounts Payable (Details) link:presentationLink link:calculationLink link:definitionLink 999029 - Disclosure - Schedule of Accrued Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 999030 - Disclosure - Schedule of Research and Development Costs (Details) link:presentationLink link:calculationLink link:definitionLink 999031 - Disclosure - Organization and Summary of Significant Accounting Policies (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999032 - Disclosure - Schedule of Cash and Cash Equivalents and Investments (Details) link:presentationLink link:calculationLink link:definitionLink 999033 - Disclosure - Schedule of Cash and Cash Equivalents and Investments (Details) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 999034 - Disclosure - Research and Collaboration Agreements, Sublicense Agreements, and Investments in Privately Held Companies (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999035 - Disclosure - Schedule of Convertible Notes Payable (Details) link:presentationLink link:calculationLink link:definitionLink 999036 - Disclosure - Schedule of Convertible Notes Payable (Details) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 999037 - Disclosure - Convertible Notes Payable (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999038 - Disclosure - Schedule of Stock Options (Details) link:presentationLink link:calculationLink link:definitionLink 999039 - Disclosure - Schedule of Stock Option Activities (Details) link:presentationLink link:calculationLink link:definitionLink 999040 - Disclosure - Schedule of Stock Option Activities (Details) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 999041 - Disclosure - Schedule of Restricted Stock Unit Activity (Details) link:presentationLink link:calculationLink link:definitionLink 999042 - Disclosure - Schedule of Restricted Stock Unit Activity (Details) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 999043 - Disclosure - Schedule of Non-cash Share-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 999043 - Disclosure - Schedule of Non-cash Share-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 999044 - Disclosure - Schedule of Fair Value of Warrants Using Black-Scholes Model (Details) link:presentationLink link:calculationLink link:definitionLink 999045 - Disclosure - Share-Based Compensation (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999046 - Disclosure - Shareholders’ Equity (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999047 - Disclosure - Schedule of Segment Revenue, Significant Segment Expenses and Segment Operating Loss (Details) link:presentationLink link:calculationLink link:definitionLink 999048 - Disclosure - Segment (Details Narrative) link:presentationLink link:calculationLink link:definitionLink