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Disclosure - Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Goodwill & Intangible Assets link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Revenue and Related Matters link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Allowance for Credit Losses link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Marketable Securities link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Fair Value of Financial Instruments link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Inventory link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Property and Equipment link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Accrued Expenses and Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Segment Reporting link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - Restructuring link:presentationLink link:calculationLink link:definitionLink 9952176 - Disclosure - Employee Benefit Plans link:presentationLink link:calculationLink link:definitionLink 9952177 - 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Disclosure - Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Significant Accounting Policies - Schedule of Cash and Cash Equivalents (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Significant Accounting Policies - Schedule of Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Significant accounting policies - Schedule of Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Acquisitions - Schedule of Fair Value of the Aggregate Consideration Paid or Payable (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Acquisitions - Schedule Of Preliminary Allocation Of The Purchase Price (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Acquisitions - 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Disclosure - Goodwill & Intangible Assets - Schedule of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Goodwill & Intangible Assets - Schedule of Future Estimated Amortization Expense of Acquired Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Revenue and Related Matters - Schedule of Disaggregated revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Revenue and Related Matters - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Revenue and Related Matters - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Allowance for Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Marketable Securities - Schedule of Amortized Cost, Gross Unrealized Gains, Gross Unrealized Losses, and Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Marketable Securities - Schedule of Fair Value and Gross Unrealized Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Marketable Securities - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Marketable Securities - Schedule of Contractual Maturities of Marketable Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Fair Value of Financial Instruments - Schedule of Fair Value of Financial Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Fair Value of Financial Instruments - Schedule of Fair Value Measured on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Fair Value of Financial Instruments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - 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Income taxes - Schedule of Reconciliation of Federal Statutory Income Tax Rate to Effective Tax Rate (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Income taxes - Schedule of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Income taxes - Schedule of Valuation Allowance Deferred Tax (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Income taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Income taxes - Schedule of Cash Flow, Supplemental Disclosures (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Leases - Schedule of Lease Cost (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Leases - Schedule of Supplemental cash flow information (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Leases - Schedule of Undiscounted future lease payments for non-cancelable operating leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Leases - Schedule of Undiscounted future lease payments for non-cancelable operating leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Commitment and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Segment Reporting - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Segment Reporting - Schedule of Segment Reporting Information, by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - 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