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Disclosure - Commitments and Contingencies - Future Operating Lease Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 2432418 - Disclosure - Commitments and Contingencies - Future Operating Lease Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 2433419 - Disclosure - Commitments and Contingencies - Supplemental Cash Flow Information (Details) link:presentationLink link:calculationLink link:definitionLink 2134109 - Disclosure - Related-party Transactions link:presentationLink link:calculationLink link:definitionLink 2435420 - Disclosure - Related-party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 2136110 - Disclosure - Stockholders' Equity (Deficit) link:presentationLink link:calculationLink link:definitionLink 2337306 - Disclosure - Stockholders' Equity (Deficit) (Tables) link:presentationLink link:calculationLink link:definitionLink 2438421 - Disclosure - Stockholders' Equity (Deficit) - 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Disclosure - Stock-based Compensation - Summary of Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink