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Disclosure - Earnings (Loss) Per Share (Tables)link:presentationLinklink:calculationLinklink:definitionLink30803 - Disclosure - Stock-Based Compensation (Tables)link:presentationLinklink:calculationLinklink:definitionLink30903 - Disclosure - Property and Equipment (Tables)link:presentationLinklink:calculationLinklink:definitionLink31003 - Disclosure - Revenue (Tables)link:presentationLinklink:calculationLinklink:definitionLink40101 - Disclosure - Nature of Operations and Basis of Presentation (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40201 - Disclosure - Leases (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40203 - Disclosure - Leases (Other Information Related To Leases) (Details)link:presentationLinklink:calculationLinklink:definitionLink40301 - Disclosure - Debt and Line of Credit (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40501 - Disclosure - Fair Value (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40504 - Disclosure - Fair Value (Carrying Values and Fair Values of Other Financial Instruments in Consolidated Balance Sheets) (Details)link:presentationLinklink:calculationLinklink:definitionLink40601 - Disclosure - Variable Interest Entities (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40701 - Disclosure - Earnings (Loss) Per Share (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40801 - Disclosure - Stock-Based Compensation (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40802 - Disclosure - Stock-Based Compensation (Summary of Activity in Unvested Restricted Stock) (Details)link:presentationLinklink:calculationLinklink:definitionLink41001 - Disclosure - Revenue (Sales Disaggregated Based Upon Sales Channel) (Details)link:presentationLinklink:calculationLinklink:definitionLink41002 - Disclosure - Revenue (Contract Assets and Liabilities on Consolidated Balance Sheets) (Details)link:presentationLinklink:calculationLinklink:definitionLink41003 - 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