0605 - Disclosure - Stockholders Equity (Details) link:presentationLink link:calculationLink link:definitionLink 0205 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 06022 - Disclosure - Investments and Fair Value Measurement (Details 2) link:presentationLink link:calculationLink link:definitionLink 0601 - Disclosure - Organization and Summary of Significant Accounting Policies (Details Textual) link:presentationLink link:calculationLink link:definitionLink 0120 - Statement - Condensed Statements of Comprehensive Loss (Unaudited) link:presentationLink link:calculationLink link:definitionLink 06081 - Disclosure - Stock-Based Compensation (Details Textual) link:presentationLink link:calculationLink link:definitionLink 0209 - Disclosure - Net Loss per Share of Common Stock link:presentationLink link:calculationLink link:definitionLink 0208 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 0207 - Disclosure - Warrants link:presentationLink link:calculationLink link:definitionLink 0206 - Disclosure - Convertible Notes link:presentationLink link:calculationLink link:definitionLink 0204 - Disclosure - Long-Term Debt link:presentationLink link:calculationLink link:definitionLink 0203 - Disclosure - Research Grant Agreement link:presentationLink link:calculationLink link:definitionLink 0202 - Disclosure - Investments and Fair Value Measurement link:presentationLink link:calculationLink link:definitionLink 0201 - Disclosure - Organization and Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 0130 - Statement - Condensed Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 0111 - Statement - Condensed Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0110 - Statement - Condensed Balance Sheets (Unaudited) link:presentationLink link:calculationLink link:definitionLink 00 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 0401 - Disclosure - Organization and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 0608 - Disclosure - Stock Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 06091 - Disclosure - Net Loss per Share of Common Stock (Details 1) link:presentationLink link:calculationLink link:definitionLink 0609 - Disclosure - Net Loss per Share of Common Stock (Details) link:presentationLink link:calculationLink link:definitionLink 0607 - Disclosure - Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 0606 - Disclosure - Convertible Notes (Details) link:presentationLink link:calculationLink link:definitionLink 0604 - Disclosure - Long -Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 0603 - Disclosure - Research Grant Agreement (Details Textual) link:presentationLink link:calculationLink link:definitionLink 06024 - Disclosure - Investments and Fair Value Measurement (Details Textual) link:presentationLink link:calculationLink link:definitionLink 06023 - Disclosure - Investments and Fair Value Measurement (Details 3) link:presentationLink link:calculationLink link:definitionLink 06021 - Disclosure - Investments and Fair Value Measurement (Details 1) link:presentationLink link:calculationLink link:definitionLink 0602 - Disclosure - Investments and Fair Value Measurement (Details) link:presentationLink link:calculationLink link:definitionLink 0502 - Disclosure - Investments and Fair Value Measurement (Tables) link:presentationLink link:calculationLink link:definitionLink 0508 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 0509 - Disclosure - Net Loss per Share of Common Stock (Tables) link:presentationLink link:calculationLink link:definitionLink