1001 - Document - Cover Page link:presentationLink link:definitionLink link:calculationLink 1002 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:definitionLink link:calculationLink 1003 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:definitionLink link:calculationLink 1004 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Loss link:presentationLink link:definitionLink link:calculationLink 1005 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Deficit) link:presentationLink link:definitionLink link:calculationLink 1006 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Parenthetical) link:presentationLink link:definitionLink link:calculationLink 1007 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:definitionLink link:calculationLink 1008 - Disclosure - The company link:presentationLink link:definitionLink link:calculationLink 1009 - Disclosure - Summary of significant accounting policies link:presentationLink link:definitionLink link:calculationLink 1010 - Disclosure - Fair value measurement link:presentationLink link:definitionLink link:calculationLink 1011 - Disclosure - Balance sheet components link:presentationLink link:definitionLink link:calculationLink 1012 - Disclosure - Goodwill and intangible assets link:presentationLink link:definitionLink link:calculationLink 1013 - Disclosure - Commitments and contingencies link:presentationLink link:definitionLink link:calculationLink 1014 - Disclosure - Related party transactions link:presentationLink link:definitionLink link:calculationLink 1015 - Disclosure - Income taxes link:presentationLink link:definitionLink link:calculationLink 1016 - Disclosure - Warrants link:presentationLink link:definitionLink link:calculationLink 1017 - Disclosure - Common stock link:presentationLink link:definitionLink link:calculationLink 1018 - Disclosure - Stock-based compensation link:presentationLink link:definitionLink link:calculationLink 1019 - Disclosure - Net loss per share attributable to common stockholders link:presentationLink link:definitionLink link:calculationLink 1020 - Disclosure - Geographic, product and industry information link:presentationLink link:definitionLink link:calculationLink 1021 - Disclosure - Summary of significant accounting policies (Policies) link:presentationLink link:definitionLink link:calculationLink 1022 - Disclosure - Summary of significant accounting policies (Tables) link:presentationLink link:definitionLink link:calculationLink 1023 - Disclosure - Fair value measurement (Tables) link:presentationLink link:definitionLink link:calculationLink 1024 - Disclosure - Balance sheet components (Tables) link:presentationLink link:definitionLink link:calculationLink 1025 - Disclosure - Goodwill and intangible assets (Tables) link:presentationLink link:definitionLink link:calculationLink 1026 - Disclosure - Commitments and contingencies (Tables) link:presentationLink link:definitionLink link:calculationLink 1027 - Disclosure - Stock-based compensation (Tables) link:presentationLink link:definitionLink link:calculationLink 1028 - Disclosure - Net loss per share attributable to common stockholders (Tables) link:presentationLink link:definitionLink link:calculationLink 1029 - Disclosure - Geographic, product and industry information (Tables) link:presentationLink link:definitionLink link:calculationLink 1030 - Disclosure - The company - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1031 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1032 - Disclosure - Summary of Significant Accounting Policies - Summary of Cash, Cash Equivalents and Restricted Cash (Detail) link:presentationLink link:definitionLink link:calculationLink 1033 - Disclosure - Fair Value Measurement - Summary of Company's Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) link:presentationLink link:definitionLink link:calculationLink 1034 - Disclosure - Balance sheet components - Schedule Of Accounts Notes Loans And Financing Receivable (Detail) link:presentationLink link:definitionLink link:calculationLink 1035 - Disclosure - Balance sheet components - Summary of Inventory (Detail) link:presentationLink link:definitionLink link:calculationLink 1036 - Disclosure - Goodwill and Intangible Assets - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1037 - Disclosure - Goodwill and Intangible Assets - Summary of Intangible Assets Balances (Detail) link:presentationLink link:definitionLink link:calculationLink 1038 - Disclosure - Commitments and contingencies - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1039 - Disclosure - Commitments and contingencies - Schedule of Supplemental Balance Sheet Information Relating to Companies Operating Lease (Detail) link:presentationLink link:definitionLink link:calculationLink 1040 - Disclosure - Commitments and contingencies - Schedule Of Future Minimum Rental Payments For Operating Leases (Detail) link:presentationLink link:definitionLink link:calculationLink 1041 - Disclosure - Related Party Transactions - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1042 - Disclosure - Warrants - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1043 - Disclosure - Common stock - Additional information (Detail) link:presentationLink link:definitionLink link:calculationLink 1044 - Disclosure - Stock-based compensation - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1045 - Disclosure - Stock-based compensation - Summary of Shares Reserved For Issuance (Detail) link:presentationLink link:definitionLink link:calculationLink 1046 - Disclosure - Stock-based compensation - Activity Under The Equity Incentive Plans (Detail) link:presentationLink link:definitionLink link:calculationLink 1047 - Disclosure - Stock-based compensation - Schedule of Nonvested Restricted Stock Units Activity (Detail) link:presentationLink link:definitionLink link:calculationLink 1048 - Disclosure - Stock-based compensation - Total Stock-based Compensation Expense (Detail) link:presentationLink link:definitionLink link:calculationLink 1049 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Computation of the Company's Basic and Diluted Net Loss Per Share Attributable to Common Stockholders (Detail) link:presentationLink link:definitionLink link:calculationLink 1050 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Summary of Calculation of Diluted Net Loss Per Share (Detail) link:presentationLink link:definitionLink link:calculationLink 1051 - Disclosure - Geographic, Product and Industry Information - Summary of Revenue by Geographic Region (Detail) link:presentationLink link:definitionLink link:calculationLink 1052 - Disclosure - Geographic, Product and Industry Information - Summary of Revenue by Product (Detail) link:presentationLink link:definitionLink link:calculationLink 1053 - Disclosure - Geographic, Product and Industry Information - Summary of Revenue by Industry (Detail) link:presentationLink link:definitionLink link:calculationLink