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Disclosure - Organization - (Details) link:presentationLink link:calculationLink link:definitionLink 2103102 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2204201 - Disclosure - Summary of Significant Accounting Policies - (Policies) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Summary of Significant Accounting Policies - (Tables) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Summary of Significant Accounting Policies - Revenue by Major Payers (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Summary of Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 2409405 - 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Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 2332305 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 2433420 - Disclosure - Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 2134108 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 2335306 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 2436421 - Disclosure - Stockholders' Equity - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2437422 - Disclosure - Stockholders' Equity (Details) link:presentationLink link:calculationLink link:definitionLink 2138109 - Disclosure - Stock Option Plan link:presentationLink link:calculationLink link:definitionLink 2339307 - Disclosure - Stock Option Plan (Tables) link:presentationLink link:calculationLink link:definitionLink 2440423 - 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