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Disclosure - Income Taxes - Income Tax (Benefit) Expense (Details) link:presentationLink link:calculationLink link:definitionLink 40602 - Disclosure - Income Taxes - Reconciliation of Federal Statutory Tax Rate (Details) link:presentationLink link:calculationLink link:definitionLink 40603 - Disclosure - Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 40701 - Disclosure - Other Long-Term Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 41001 - Disclosure - Leases - Lease Cost (Details) link:presentationLink link:calculationLink link:definitionLink 41002 - Disclosure - Leases - Future Minimum Lease Payments (Calc 2) (Details) link:presentationLink link:calculationLink link:definitionLink 41002 - Disclosure - Leases - Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 41201 - Disclosure - Unaudited Quarterly Results of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 00090 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 00105 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00400 - Statement - Consolidated Statements of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - Organization and Business link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - Property and Equipment, net link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - Revolving Line of Credit link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - Other Long-Term Liabilities link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 10901 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 11101 - Disclosure - Valuation and Qualifying Accounts link:presentationLink link:calculationLink link:definitionLink 11201 - Disclosure - Unaudited Quarterly Results of Operations link:presentationLink link:calculationLink link:definitionLink 20202 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 30203 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 30303 - Disclosure - Property and Equipment, net (Tables) link:presentationLink link:calculationLink link:definitionLink 30403 - Disclosure - Fair Value Measurement (Tables) link:presentationLink link:calculationLink link:definitionLink 30603 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 30703 - Disclosure - Other Long-Term Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 30803 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 31103 - Disclosure - Valuation and Qualifying Accounts (Tables) link:presentationLink link:calculationLink link:definitionLink 31203 - Disclosure - Unaudited Quarterly Results of Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 40101 - Disclosure - Organization and Business (Details) link:presentationLink link:calculationLink link:definitionLink 40201 - Disclosure - Summary of Significant Accounting Policies - PPE and Insurance Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 40202 - Disclosure - Summary of Significant Accounting Policies - Returns and Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 40204 - Disclosure - Summary of Significant Accounting Policies - Segments and Concentration Risk (Details) link:presentationLink link:calculationLink link:definitionLink 40205 - Disclosure - Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details) link:presentationLink link:calculationLink link:definitionLink 40501 - Disclosure - Revolving Line of Credit (Details) link:presentationLink link:calculationLink link:definitionLink 40604 - Disclosure - Income Taxes - Income Tax (Benefit) Expense Components (Details) link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - Stockholders' Equity - Stock Repurchase and Dividends (Details) link:presentationLink link:calculationLink link:definitionLink 40802 - Disclosure - Stockholders' Equity - Time-Based Nonvested Restricted Stock Granted to Employees (Details) link:presentationLink link:calculationLink link:definitionLink 40803 - Disclosure - Stockholders Equity - Activity for Time-Based Nonvested Restricted Stock Grants (Details) link:presentationLink link:calculationLink link:definitionLink 40804 - Disclosure - Stockholders' Equity - Restricted Stock Units (Details) link:presentationLink link:calculationLink link:definitionLink 41101 - Disclosure - Valuation and Qualifying Accounts (Details) link:presentationLink link:calculationLink link:definitionLink 41301 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink 11001 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 11301 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 31003 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 41003 - Disclosure - Leases - Cash flow and other information (Details) link:presentationLink link:calculationLink link:definitionLink