1001 - Document - Cover Page link:presentationLink link:definitionLink link:calculationLink 1002 - Statement - Consolidated Balance Sheets link:presentationLink link:definitionLink link:calculationLink 1003 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:definitionLink link:calculationLink 1004 - Statement - Consolidated Statements of Operations (Unaudited) link:presentationLink link:definitionLink link:calculationLink 1005 - Statement - Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (Unaudited) link:presentationLink link:definitionLink link:calculationLink 1006 - Statement - Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (Unaudited) (Parenthetical) link:presentationLink link:definitionLink link:calculationLink 1007 - Statement - Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:definitionLink link:calculationLink 1008 - Disclosure - Organization and Description of The Business link:presentationLink link:definitionLink link:calculationLink 1009 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:definitionLink link:calculationLink 1010 - Disclosure - Millendo Merger link:presentationLink link:definitionLink link:calculationLink 1011 - Disclosure - Fair Value Measurements link:presentationLink link:definitionLink link:calculationLink 1012 - Disclosure - Transactions with Related Parties link:presentationLink link:definitionLink link:calculationLink 1013 - Disclosure - Balance Sheet Items link:presentationLink link:definitionLink link:calculationLink 1014 - Disclosure - Early Option Exercise Liability link:presentationLink link:definitionLink link:calculationLink 1015 - Disclosure - Commitment and Contingencies link:presentationLink link:definitionLink link:calculationLink 1016 - Disclosure - Loan Payable link:presentationLink link:definitionLink link:calculationLink 1017 - Disclosure - Convertible Preferred Stock link:presentationLink link:definitionLink link:calculationLink 1018 - Disclosure - Common Stock link:presentationLink link:definitionLink link:calculationLink 1019 - Disclosure - Stock Compensation link:presentationLink link:definitionLink link:calculationLink 1020 - Disclosure - Retirement Plan link:presentationLink link:definitionLink link:calculationLink 1021 - Disclosure - Net Loss Per Share link:presentationLink link:definitionLink link:calculationLink 1022 - Disclosure - Subsequent Events link:presentationLink link:definitionLink link:calculationLink 1023 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:definitionLink link:calculationLink 1024 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:definitionLink link:calculationLink 1025 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:definitionLink link:calculationLink 1026 - Disclosure - Balance Sheet Items (Tables) link:presentationLink link:definitionLink link:calculationLink 1027 - Disclosure - Commitment and Contingencies (Tables) link:presentationLink link:definitionLink link:calculationLink 1028 - Disclosure - Convertible Preferred Stock (Tables) link:presentationLink link:definitionLink link:calculationLink 1029 - Disclosure - Stock Compensation (Tables) link:presentationLink link:definitionLink link:calculationLink 1030 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:definitionLink link:calculationLink 1031 - Disclosure - Organization and Description of The Business (Details) link:presentationLink link:definitionLink link:calculationLink 1032 - Disclosure - Summary of Significant Accounting Policies (Details) link:presentationLink link:definitionLink link:calculationLink 1033 - Disclosure - Summary of Significant Accounting Policies - Estimated Useful Lives Of Property Plant And Equipment (Details) link:presentationLink link:definitionLink link:calculationLink 1034 - Disclosure - Millendo Merger - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1035 - Disclosure - Fair Value Measurements - Recurring Basis (Details) link:presentationLink link:definitionLink link:calculationLink 1036 - Disclosure - Transactions with Related Parties (Details) link:presentationLink link:definitionLink link:calculationLink 1037 - Disclosure - Balance Sheet Items - Prepaid Expenses and Other Current Asset (Details) link:presentationLink link:definitionLink link:calculationLink 1038 - Disclosure - Balance Sheet Items - Property and Equipment, Net (Details) link:presentationLink link:definitionLink link:calculationLink 1039 - Disclosure - Balance Sheet Items - Accrued Liabilities (Details) link:presentationLink link:definitionLink link:calculationLink 1040 - Disclosure - Balance Sheet Items - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1041 - Disclosure - Early Option Exercise Liability (Details) link:presentationLink link:definitionLink link:calculationLink 1042 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:definitionLink link:calculationLink 1043 - Disclosure - Commitments and Contingencies - Future minimum rental payments under operating leases with noncancelable terms (Details) link:presentationLink link:definitionLink link:calculationLink 1044 - Disclosure - Loan Payable - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1045 - Disclosure - Convertible Preferred Stock - Summary of Convertible Preferred Stock (Detail) link:presentationLink link:definitionLink link:calculationLink 1046 - Disclosure - Convertible Preferred Stock - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1047 - Disclosure - Common Stock - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1048 - Disclosure - Stock Compensation - Additional Information (Details) link:presentationLink link:definitionLink link:calculationLink 1049 - Disclosure - Stock Compensation - Stock Based Compensation Expense (Details) link:presentationLink link:definitionLink link:calculationLink 1050 - Disclosure - Stock Compensation - Summary of Stock Options (Details) link:presentationLink link:definitionLink link:calculationLink 1051 - Disclosure - Stock Compensation - Summary of Information About Stock Options Outstanding (Detail) link:presentationLink link:definitionLink link:calculationLink 1052 - Disclosure - Stock Compensation - Grant Date Fair Value of Option (Details) link:presentationLink link:definitionLink link:calculationLink 1053 - Disclosure - Retirement Plan - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1054 - Disclosure - Net Loss Per Share - Summary of Basis in Diluted Net Loss Per Share (Detail) link:presentationLink link:definitionLink link:calculationLink 1055 - Disclosure - Net Loss Per Share - Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share (Detail) link:presentationLink link:definitionLink link:calculationLink 1056 - Disclosure - Subsequent Events - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink