0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Unaudited Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Unaudited Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Unaudited Condensed Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Unaudited Condensed Consolidated Statements of Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Unaudited Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Organization and significant accounting policies link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Acquisition link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Discontinued operations link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Fair value measurement link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Inventories link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Property and equipment, net link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Goodwill and intangible assets link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Accrued expenses and other current liabilities link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Commitments and contingencies link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Long-term debt link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Stock-based compensation link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Income taxes link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Net income (loss) from continuing operations per common share link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Segment, customer, and geographic information link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Employee benefit plan link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Subsequent events link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Organization and significant accounting policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Acquisition (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Discontinued operations (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Fair value measurement (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Inventories (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Property and equipment, net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Goodwill and intangible assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Accrued expenses and other current liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Long-term debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Stock-based compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Net income (loss) from continuing operations per common share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Segment, customer, and geographic information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Organization and significant accounting policies (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Acquisition - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Acquisition - Schedule of Acquisition (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Discontinued operations - Schedule of Divestiture (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Discontinued operations - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Discontinued operations - Schedule of Key Components of Loss from Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Discontinued operations - Schedule of Noncash Related Costs For Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Fair value measurement - Schedule of the Company's Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Fair value measurement - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Investments - Schedule of Available-for-Sale Marketable Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Investments - Schedule of Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Investments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Inventories (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Leases - Schedule of Operating and Finance Lease Terms and Discount Rates (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Leases - Schedule of Lease Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Leases - Schedule of Maturities Operating and Finance Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Leases - Schedule of Maturities Operating and Finance Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Property and equipment, net - Schedule of Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Property and equipment, net - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Goodwill and intangible assets - Schedule of Finite-Lived Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Goodwill and intangible assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Goodwill and intangible assets - Schedule of Amortization Expense for Finite-Lived Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Accrued expenses and other current liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Commitments and contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Long-term debt - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Long-term debt - Schedule of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Long-term debt - Schedule of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Stock-based compensation - Schedule of Service Vesting-Based Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Stock-based compensation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Stock-based compensation - Schedule of Service Vesting-Based and Market Based Restricted Stock Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Stock-based compensation - Schedule of Share-Based Payment Award, Market-Based Awards Valuation Assumption (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Stock-based compensation - Schedule of Stock Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Stock-based compensation - Schedule of Stock Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Income taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Net income (loss) from continuing operations per common share (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Segment, customer, and geographic information - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Segment, customer, and geographic information - Schedule of Concentrations of Credit Risk and Business Risk (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Segment, customer, and geographic information - Schedule of Product Revenue Concentration (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Segment, customer, and geographic information - Schedule of Revenue by Geographic Areas (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Employee benefit plan (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Subsequent events (Details) link:presentationLink link:calculationLink link:definitionLink