0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - Parenthetical (LOSS) (Details) link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - The Company and Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Equity Method Investment in Equity Investee link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Net Income (Loss) Per Common Share Attributable to Alpha and Omega Semiconductor Limited link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Concentration of Credit Risk and Significant Customers link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Balance Sheet Components link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Share-based Compensation link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Employee Benefit Plans link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Segment and Geographic information link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Restricted Net Assets link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Subsequent Event (Notes) link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Schedule II - Valuation and Qualifying Accounts link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - The Company and Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - The Company and Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Equity Method Investment in Equity Investee (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Net Income (Loss) Per Common Share Attributable to Alpha and Omega Semiconductor Limited (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Concentration of Credit Risk and Significant Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Balance Sheet Components (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Share-based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Segment and Geographic information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - The Company and Significant Accounting Policies - Joint Venture Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - The Company and Significant Accounting Policies - Risks and Uncertainties Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - The Company and Significant Accounting Policies - Restricted Cash Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - The Company and Significant Accounting Policies - Property and Equipment Useful Lives (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - The Company and Significant Accounting Policies - Government Grants (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - The Company and Significant Accounting Policies - Government Grants Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - The Company and Significant Accounting Policies - Revenue Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - The Company and Significant Accounting Policies - Long-lived Assets Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - The Company and Significant Accounting Policies - Product Warranty Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - The Company and Significant Accounting Policies - Advertising Expense Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Equity Method Investment in Equity Investee - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Equity Method Investment in Equity Investee - Schedule of Gain on Deconsolidation (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Equity Method Investment in Equity Investee - Schedule of Net Loss Associated with Sales of JV Company Equity Interest Held (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Equity Method Investment in Equity Investee - Equity Method Investment, Summarized Financial Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Net Income (Loss) Per Common Share Attributable to Alpha and Omega Semiconductor Limited - Basic and Diluted Income Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Net Income (Loss) Per Common Share Attributable to Alpha and Omega Semiconductor Limited - Potential Dilutive Shares (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Concentration of Credit Risk and Significant Customers - Schedule of Concentration Risk (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Balance Sheet Components - Accounts receivable (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Balance Sheet Components - Inventories (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Balance Sheet Components - Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Balance Sheet Components - Property, plant, and equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Balance Sheet Components - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Balance Sheet Components - Other long term assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Balance Sheet Components - Future amortization expense of intangible assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Balance Sheet Components - Intangible assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Balance Sheet Components - Accrued liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Balance Sheet Components - Product Warranty Accrual (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Balance Sheet Components - Stock Rotation Accrual (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Balance Sheet Components - Impairment of long-lived assets, intangible assets, and goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Balance Sheet Components - Other long-term liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Debt - Short-term borrowing (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Debt - Accounts Receivable Factoring Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Debt - Debt Financing (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Debt - Credit Facilities and Long-term Debt Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Debt - Maturities of Short-tem and Long-term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Debt - Maturities of Short-tem and Long-term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Leases - Schedule of Lease Cost (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Leases - Schedule of Lease Supplemental Balance Sheet Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Leases - Schedule of Lease Supplemental Cash Flow Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Leases - Schedule of Lease Maturities - Topic 842 (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Leases - Schedule of Lease Maturities - Topic 842 (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Shareholders' Equity (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Share-based Compensation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Share-based Compensation - Nonvested Share Activity Rollforward (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Share-based Compensation - Summary of Stock Option Activities (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Share-based Compensation - Fair Value Weighted Average Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Share-based Compensation - Employee Share Purchase Plan (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Share-based Compensation - Share-based Compensation Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Share-based Compensation - Share-based Compensation Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Employee Benefit Plans (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Income Taxes - Income Tax Schedules (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Income Taxes - Income Tax Schedules (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Income Taxes - Taxes Paid (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Segment and Geographic information Segment Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Segment and Geographic information - Revenue by Geographical Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Segment and Geographic information - Revenue by Product Type (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Segment and Geographic information Location and Net Book Value of Long-Lived Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - Restricted Net Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - Commitments and Contingencies - Purchase Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - Commitments and Contingencies - Contingencies and Indemnities (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - Subsequent Event - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955582 - Disclosure - Schedule II - Valuation and Qualifying Accounts (Details) link:presentationLink link:calculationLink link:definitionLink