Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts and bills receivable. Accounts And Bills Receivable Policy [Text Block] Accounts and Bills Receivable Accounts and bills receivable. Accounts And Bills Receivable [Text Block] Accounts and Bills Receivable Accounts And Other Receivables Net Current Accounts and bills receivable Accounts and bills receivable Accounts Payable And Accrued Liabilities Disclosure [Text Block] Other Accrued Liabilities Accounts Payable Current Accounts payable Accounts Receivable Net Accounts receivable Accruals and loss contingencies policy. Accruals And Loss Contingencies Policy [Text Block] Accruals and Loss Contingencies Accrued Employee Benefits Current Accrued salaries, allowances and other employee benefits Accrued expenses. Accrued Expenses Accrued expenses Accrued Income Taxes Current Income tax payable Accrued Liabilities Taxes [Member] Accrued Liabilities Taxes [Member] Accrued Liabilities Taxes [Member] Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Less: Accumulated depreciation Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive income Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income (Loss) [Member] Additional Paid In Capital Additional paid-in capital Additional Paid In Capital [Member] Additional Paid-in Capital [Member] Adjustment For Amortization Amortization Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Stock compensation expenses Adjustments to additional paid in capital transfer to statutory reserves. Adjustments To Additional Paid In Capital Transfer To Statutory Reserves Transfer to statutory reserves Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income (loss) attributable to shareholders of Global-Tech Advanced Innovations Inc. to net cash provided by operating activities: Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Advance made for property plant and equipment. Advance Made For Property Plant And Equipment Deposits paid for purchase of property, plant and equipment Advertising Costs Policy [Text Block] Advertising Costs Advertising Expense Advertising expenses After tax income transferred to statutory reserve. After Tax Income Transferred To Statutory Reserve After tax income transferred to statutory reserve Allowance for doubtful accounts. Allowance For Doubtful Accounts [Abstract] Allowance for doubtful accounts: Allowance For Doubtful Accounts Receivable Balance at end of fiscal year Balance at beginning of fiscal year Allowance For Doubtful Accounts Receivable Charge Offs Amount written-off as uncollectible during the fiscal year Allowance for doubtful accounts table. Allowance For Doubtful Accounts Table [Text Block] Schedule of Allowance for Doubtful Accounts Amendment Flag Amendment Flag Amortized Cost and Fair Value Debt Securities [Abstract] Amortized Cost And Fair Value Debt Securities [Abstract] Amortized Cost and Fair Value Debt Securities [Abstract] Annual depreciation rate. Annual Depreciation Rate Annual depreciation rate Annual depreciation rates table. Annual Depreciation Rates Table [Text Block] Principal Annual Rates Used for Property, Plant and Equipment Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Anti-dilutive stock options Appliances. Appliances [Member] Home Appliances [Member] Asia [Member] Asia [Member] Asia [Member] Assets Total assets Total assets Assets [Abstract] ASSETS Assets Current Current assets Total current assets Assets Current [Abstract] Current assets: Current financial assets: Assets Fair Value Disclosure Total financial assets Assets Net Net assets of PRC subsidiaries Assets Noncurrent Non-current assets Assets Noncurrent [Abstract] Non-current financial assets: Australia [Member] Australia [Member] Australia [Member] Available For Sale Securities Cost Available for sale securities debt securities maturity period. Available For Sale Securities Debt Securities Maturity Period Unlisted investments maturity term Available For Sale Securities Fair Value Disclosure Fair values Financial assets measured at fair value Availableforsale Securities Gross Unrealized Gain Gross unrealized gain on securities Available For Sale Securities Gross Unrealized Losses 1 Gross unrealized loss on securities Available For Sale Securities Noncurrent Available-for-sale investments Available For Sale Securities [Text Block] Summary of Available-for-Sale Debt and Equity Securities Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Bankruptcy Claims Amount Of Claims Expunged By Bankruptcy Court Claim against subsidiary Bankruptcy Claims Amount Of Claims On Material Contracts Rejected Claim related to purchase order Basic pay range for fixed amount of employee contribution. Basic Pay Range For Fixed Amount Of Employee Contribution Basic salary for the fixed amount of employee contribution Basis Of Accounting Policy Policy [Text Block] Basis of Preparation Best Hero Limited [Member] Best Hero Limited [Member] Best Hero Limited [Member] Building [Member] Buildings [Member] Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability Provision for contingent liability Camera Modules Member Camera Modules [Member] CCMs [Member] Capital commitments for purchase of property plant and equipment. Capital Commitments For Purchase Of Property Plant And Equipment Capital commitments for purchase of property, plant and equipment Capital Expenditures Incurred But Not Yet Paid Capital expenditure Capital injection into subsidiaries. Capital Injection Into Subsidiaries Capital injection into subsidiaries Carrying and fair value disclosure table. Carrying And Fair Value Disclosure Table [Text Block] Summary of Carrying Values and Estimated Fair Values of Company's Financial Assets and Liabilities Carrying Value [Member] Carrying Value [Member] Carrying value [Member] Cash Cash on hand and at banks Cash And Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Cash And Cash Equivalents At Carrying Value Cash and cash equivalents at end of fiscal year Cash and cash equivalents at beginning of fiscal year Cash and cash equivalents Total cash and cash equivalents Cash And Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Cash And Cash Equivalents Disclosure [Text Block] Cash and Cash Equivalents Cash And Cash Equivalents [Line Items] Cash and Cash Equivalents [Line Items] Cash And Cash Equivalents Period Increase Decrease Net increase (decrease) in cash and cash equivalents Cash And Cash Equivalents Policy [Text Block] Cash and Cash Equivalents Cash And Cash Equivalents Restricted Cash And Cash Equivalents Policy Restricted Cash Cash Provided By Used In Financing Activities Discontinued Operations Cash used in financing activities - discontinued operations Cash Provided By Used In Investing Activities Discontinued Operations Cash provided by (used in) investing activities - discontinued operations Cash Provided By Used In Operating Activities Discontinued Operations Cash provided by (used in) operating activities - discontinued operations Cellular phone assembly services. Cellular Phone Assembly Services [Member] Cellular Phone Assembly Services [Member] Change In Tax Status [Axis] Change in Tax Status [Axis] Change In Tax Status [Domain] Change in Tax Status [Domain] C N PRC [Member] Combined [Member] Combined [Member] Combined [Member] Commitments And Contingencies Commitments and contingencies Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments Contingencies And Litigation [Line Items] Commitments Contingencies And Litigation [Line Items] Commitments Contingencies And Litigation [Line Items] Commitments Contingencies And Litigation [Table] Commitments Contingencies And Litigation [Table] Commitments Contingencies And Litigation [Table] Commitments Disclosure [Text Block] Commitments Common Stock Conversion Basis Conversion of common stock Common Stock Dividends Per Share Declared Special Cash Dividend Common Stock [Member] Common Stock [Member] Common stock number of votes Common Stock Number Of Votes Number of votes under common stock Common Stock Par Or Stated Value Per Share Common stock, par value Common stock retained. Common Stock Retained Common stock retained Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Value Common stock, par value US$0.04 per share; 12,500,000 shares authorized; 3,230,814 and 3,229,314 shares issued as of March 31, 2013 and 2012 Compensation And Retirement Disclosure [Abstract] Compensation and Retirement Disclosure [Abstract] Component Of Operating Other Cost And Expense [Line Items] Component of Operating Other Cost and Expense [Line Items] Component Of Other Operating Cost And Expense [Table] Component of Other Operating Cost and Expense [Table] Components Of Income Tax Expense Benefit Continuing Operations [Abstract] Continuing Operations Components of income tax expense benefit discontinued operations. Components Of Income Tax Expense Benefit Discontinued Operations [Abstract] Discontinued Operations Comprehensive Income Net Of Tax Total comprehensive income (loss) attributable to shareholders of Global-Tech Advanced Innovations Inc. Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest [Abstract] Less: Comprehensive income (loss) attributable to non-controlling interests Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest Total comprehensive income (loss) Comprehensive Income Policy Policy [Text Block] Comprehensive Income (Loss) Concentration Risk Credit Risk Financial Instrument Maximum Exposure Credit risk due to loss on fair value of financial instruments Concentration Risk Disclosure [Text Block] Concentration of Risks Condensed Financial Information [Line Items] Condensed Financial Information [Line Items] Condensed Financial Information [Line Items] Condensed Financial Information Of Parent Company Only Disclosure [Abstract] Condensed Financial Information of Parent Company Only Disclosure [Abstract] Condensed Financial Information Of Parent Company Only Disclosure [Text Block] Condensed Financial Information of Global-Tech Condensed Financial Information [Table] Condensed Financial Information [Table] Condensed Financial Information [Table] Condensed Financial Statements Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Conditional retirement age. Conditional Retirement Age Retirement Age Consolidation Policy [Text Block] Basis of Consolidation Consortium Investment British Virgin Islands Limited. Consortium Investment British Virgin Islands Limited [Member] Consortium Investment (BVI) Limited [Member] Construction In Progress [Member] Construction in Progress [Member] Construction in progress policy. Construction In Progress Policy [Text Block] Construction in Progress Consultant [Member] Consultant [Member] Consultant [Member] Corporate [Member] Corporate [Member] Cost Of Goods Sold Cost of goods sold Credit Facilities [Line Items] Credit Facilities [Line Items] Credit Facilities [Line Items] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Current asset. Current Asset [Member] Current Assets [Member] Current Fiscal Year End Date Current Fiscal Year End Date Current Income Tax Expense Benefit Current Current income tax expense benefit discontinued operation Current Income Tax Expense Benefit Discontinued Operation Current Customer Deposits Current Customer deposits Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Text Block] Short Term Bank Loans and Banking Facilities Deferred Compensation Arrangement With Individual Share Based Payments By Title Of Individual [Axis] Title of Individual [Axis] Deferred Income Tax Expense Benefit Deferred Deferred tax Deferred Tax Assets Gross Gross deferred tax assets Deferred Tax Assets Inventory Provision for inventories Deferred Tax Assets Net Net deferred tax assets Deferred Tax Assets Net [Abstract] Deferred tax assets: Deferred Tax Assets Operating Loss Carryforwards Operating losses carried forward Deferred Tax Assets Property Plant And Equipment Impairment of property, plant and equipment Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Warranty Reserves Provision for warranty Deferred Tax Assets Valuation Allowance Less: Valuation allowance for deferred tax assets Deferred tax assets valuation allowance additions. Deferred Tax Assets Valuation Allowance Additions Additions (reversals) Deferred tax assets valuation allowance foreign currency translation adjustments. Deferred Tax Assets Valuation Allowance Foreign Currency Translation Adjustments Exchange realignment Deferred Tax Liabilities Net [Abstract] Deferred tax liabilities: Deferred Tax Liabilities Noncurrent Deferred tax liabilities Total deferred tax liabilities Deferred Tax Liabilities Other Other temporary differences Deferred Tax Liabilities Property Plant And Equipment Tax over book depreciation of property, plant and equipment Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Net Periodic Benefit Cost Costs incurred for employee benefit plans Defined Benefit Plans Disclosures Defined Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans [Domain] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Defined Contribution Plan Cost Recognized Costs recognized in defined contribution Defined Contribution Plan Employer Matching Contribution Percent Company's contribution Defined Contribution Plan Maximum Annual Contribution Per Employee Amount Employer and employee contribution on Employee Benefits Plan Defined Contribution Plan Maximum Annual Contribution Per Employee Percent Employee contribution Denominator For Basic And Diluted Loss Earnings Per Share Calculations [Abstract] Denominator For Basic And Diluted Loss Earnings Per Share Calculations [Abstract] Denominator for basic and diluted earnings (loss) per share: Deposits Assets Current Financial assets included in deposits and other assets Deposits Assets Noncurrent Deposits paid for purchase of property, plant and equipment Depreciation Depreciation Depreciation Depletion And Amortization Depreciation and amortization Director [Member] Directors [Member] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Stock Compensation Disclosure Schedule Of Fair Value Of Available For Sale Of Investments [Abstract] Disclosure Schedule Of Fair Value Of Available For Sale Of Investments [Abstract] Available-for-sale investments: Discontinued Operations And Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Discontinued operations. Discontinued Operations [Member] Discontinued Operations [Member] Discontinued Operations Policy [Text Block] Discontinued Operations Discontinued Operation Tax Effect Of Discontinued Operation Income tax expense from discontinued operations Disposal Date 1 Disposal date of business Disposal Groups Including Discontinued Operations Disclosure [Text Block] Discontinued Operations Disposal Groups Including Discontinued Operations Name [Domain] Disposal Groups, Including Discontinued Operations, Name [Domain] Dividends Common Stock Cash Cash dividend Document Document and Entity Information [Abstract] Document Document And Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Period End Date Document Period End Date Document Type Document Type Dongguan Lite Array Company Limited. Dongguan Lite Array Company Limited [Member] Dongguan Lite Array Company Limited ("DGLAD") [Member] Dongguan Litewell Technology Limited. Dongguan Litewell Technology Limited [Member] Dongguan Litewell (OLED) Technology Limited [Member] Dongguan Microview Medical Technology Company Limited [Member] Dongguan Microview Medical Technology Company Limited [Member] Dongguan Microview Medical Technology Company Limited [Member] Dongguan Wing Shing Electrical Products Factory Company Limited [Member] Dongguan Wing Shing Electrical Products Factory Company Limited [Member] Dongguan Wing Shing Electrical Products Factory Company Limited ("DWS") [Member] Due From Related Parties Current Amount due from a related party Due To Related Parties Current And Noncurrent Annual motor car rental expenses Earnings Per Share [Abstract] Earnings Per Share [Abstract] Earnings Per Share Basic Basic and diluted earnings (loss) per share of common stock Earnings Per Share Basic And Diluted Earnings (Loss) attributable to common stockholder Earnings Per Share Basic And Diluted [Abstract] Basic and diluted earnings (loss) per share: Earnings Per Share Policy [Text Block] Earnings (Loss) Per Share Earnings Per Share [Text Block] Basic and Diluted Earnings (Loss) Per Share Effective Income Tax Rate Continuing Operations Effective income tax rate Rate of income tax of subsidiaries Effective state and local income tax rate. Effective State And Local Income Tax Rate Local income tax rate Effect Of Exchange Rate On Cash And Cash Equivalents Effect of foreign exchange rate changes on cash Electrolux. Electrolux [Member] Electrolux S.A. and Subsidiaries ("Electrolux") [Member] Electronics. Electronics [Member] Electronic Components [Member] Eligible joining period to participate in occupational retirement scheme ordinance. Eligible Joining Period To Participate In Occupational Retirement Scheme Ordinance Eligible joining period to participate in ORSO Scheme Employee eligible age to participate in benefit plan. Employee Eligible Age To Participate In Benefit Plan Eligible age of employees for Mandatory Provident Fund