<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <Version>2.4.1.9</Version>
  <ProcessingTime />
  <ReportFormat>Html</ReportFormat>
  <ContextCount>190</ContextCount>
  <ElementCount>314</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>72</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>5</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
    </Report>
    <Report>
      <IsDefault>true</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>1001000 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/ConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>1001501 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/ConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>1002000 - Statement - Consolidated Statements of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/ConsolidatedStatementsOfOperations</Role>
      <ShortName>Consolidated Statements of Operations</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>1004000 - Statement - Consolidated Statements of Comprehensive Loss</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/ConsolidatedStatementsOfComprehensiveLoss</Role>
      <ShortName>Consolidated Statements of Comprehensive Loss</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>1005000 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/ConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>1006000 - Statement - Consolidated Statements of Stockholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/ConsolidatedStatementsOfStockholdersEquity</Role>
      <ShortName>Consolidated Statements of Stockholders' Equity</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>2101100 - Disclosure - The Company and Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/CompanyAndBasisOfPresentation</Role>
      <ShortName>The Company and Basis of Presentation</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>2102100 - Disclosure - Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/SignificantAccountingPolicies</Role>
      <ShortName>Significant Accounting Policies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>2103100 - Disclosure - Net Loss Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/NetLossPerShare</Role>
      <ShortName>Net Loss Per Share</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>2104100 - Disclosure - Investments in Towerjazz Semiconductor Ltd.</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/InvestmentsInTowerjazzSemiconductorLtd</Role>
      <ShortName>Investments in Towerjazz Semiconductor Ltd.</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>2105100 - Disclosure - Balance Sheet Components</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/BalanceSheetComponents</Role>
      <ShortName>Balance Sheet Components</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>2106100 - Disclosure - Obligations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/Obligations</Role>
      <ShortName>Obligations</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>2107100 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/FairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>2108100 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>2109100 - Disclosure - Stockholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/StockholdersEquity</Role>
      <ShortName>Stockholders' Equity</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>2110100 - Disclosure - Employee Stock Plans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/EmployeeStockPlans</Role>
      <ShortName>Employee Stock Plans</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>2111100 - Disclosure - Stock-Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/StockBasedCompensation</Role>
      <ShortName>Stock-Based Compensation</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>2112100 - Disclosure - Accumulated Other Comprehensive Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/AccumulatedOtherComprehensiveIncomeLoss</Role>
      <ShortName>Accumulated Other Comprehensive Income (Loss)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>2113100 - Disclosure - Information Concerning Product Lines, Geographic Information, Accounts Receivable and Revenue Concentration</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/InformationConcerningProductLinesGeographicInformationAccountsReceivableAndRevenueConcentration</Role>
      <ShortName>Information Concerning Product Lines, Geographic Information, Accounts Receivable and Revenue Concentration</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>2114100 - Disclosure - Shelf Registration Statement</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/ShelfRegistrationStatement</Role>
      <ShortName>Shelf Registration Statement</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>2115100 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/CommitmentsAndContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>2116100 - Disclosure - Litigation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/Litigation</Role>
      <ShortName>Litigation</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>2118100 - Disclosure - Valuation and Qualifying Accounts</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/ValuationAndQualifyingAccounts</Role>
      <ShortName>Valuation and Qualifying Accounts</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>2202201 - Disclosure - Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/SignificantAccountingPoliciesPolicies</Role>
      <ShortName>Significant Accounting Policies (Policies)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>2305301 - Disclosure - Balance Sheet Components (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/BalanceSheetComponentsTables</Role>
      <ShortName>Balance Sheet Components (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>2306301 - Disclosure - Obligations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/ObligationsTables</Role>
      <ShortName>Obligations (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>2307301 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/FairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>2308301 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/IncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>2311301 - Disclosure - Stock-Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/StockBasedCompensationTables</Role>
      <ShortName>Stock-Based Compensation (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>2312301 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/AccumulatedOtherComprehensiveIncomeLossTables</Role>
      <ShortName>Accumulated Other Comprehensive Income (Loss) (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>2313301 - Disclosure - Information Concerning Product Lines, Geographic Information, Accounts Receivable and Revenue Concentration (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/InformationConcerningProductLinesGeographicInformationAccountsReceivableAndRevenueConcentrationTables</Role>
      <ShortName>Information Concerning Product Lines, Geographic Information, Accounts Receivable and Revenue Concentration (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>2315301 - Disclosure - Commitments and Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/CommitmentsAndContingenciesTables</Role>
      <ShortName>Commitments and Contingencies (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>2401401 - Disclosure - The Company and Basis of Presentation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/CompanyAndBasisOfPresentationDetails</Role>
      <ShortName>The Company and Basis of Presentation (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>2402402 - Disclosure - Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/SignificantAccountingPoliciesDetails</Role>
      <ShortName>Significant Accounting Policies (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>2403401 - Disclosure - Net Loss Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/NetLossPerShareDetails</Role>
      <ShortName>Net Loss Per Share (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>2404401 - Disclosure - Investments in Towerjazz Semiconductor Ltd. (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/InvestmentsInTowerjazzSemiconductorLtdDetails</Role>
      <ShortName>Investments in Towerjazz Semiconductor Ltd. (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>2405402 - Disclosure - Balance Sheet Components (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/BalanceSheetComponentsDetails</Role>
      <ShortName>Balance Sheet Components (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>2405403 - Disclosure - Balance Sheet Components (Property and Equipment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/BalanceSheetComponentsPropertyAndEquipmentDetails</Role>
      <ShortName>Balance Sheet Components (Property and Equipment) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>2405404 - Disclosure - Balance Sheet Components (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/BalanceSheetComponentsNarrativeDetails</Role>
      <ShortName>Balance Sheet Components (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>2406402 - Disclosure - Obligations (Schedule of Obligations) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/ObligationsScheduleOfObligationsDetails</Role>
      <ShortName>Obligations (Schedule of Obligations) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>2406403 - Disclosure - Obligations (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/ObligationsNarrativeDetails</Role>
      <ShortName>Obligations (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>2407402 - Disclosure - Fair Value Measurements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/FairValueMeasurementsDetails</Role>
      <ShortName>Fair Value Measurements (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>2408402 - Disclosure - Income Taxes (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/IncomeTaxesNarrativeDetails</Role>
      <ShortName>Income Taxes (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>2408403 - Disclosure - Income Taxes (Provision for Income Taxes) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/IncomeTaxesProvisionForIncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Provision for Income Taxes) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>2408404 - Disclosure - Income Taxes (Net Deferred Tax Assets and Liabilities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/IncomeTaxesNetDeferredTaxAssetsAndLiabilitiesDetails</Role>
      <ShortName>Income Taxes (Net Deferred Tax Assets and Liabilities) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>2408405 - Disclosure - Income Taxes (Reconciliation of Tax Rate) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/IncomeTaxesReconciliationOfTaxRateDetails</Role>
      <ShortName>Income Taxes (Reconciliation of Tax Rate) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>2408406 - Disclosure - Income Taxes (Unrecognized Tax Benefits) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails</Role>
      <ShortName>Income Taxes (Unrecognized Tax Benefits) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>2409401 - Disclosure - Stockholders' Equity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/StockholdersEquityDetails</Role>
      <ShortName>Stockholders' Equity (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>2410401 - Disclosure - Employee Stock Plans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/EmployeeStockPlansDetails</Role>
      <ShortName>Employee Stock Plans (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>2411402 - Disclosure - Stock-Based Compensation (Schedule of Allocation of Recognized Period Cost) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/StockBasedCompensationScheduleOfAllocationOfRecognizedPeriodCostDetails</Role>
      <ShortName>Stock-Based Compensation (Schedule of Allocation of Recognized Period Cost) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>2411403 - Disclosure - Stock-Based Compensation (Schedule of Valuation Assumptions) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/StockBasedCompensationScheduleOfValuationAssumptionsDetails</Role>
      <ShortName>Stock-Based Compensation (Schedule of Valuation Assumptions) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>2411404 - Disclosure - Stock-Based Compensation (Schedule of Stock Based Compensation Award Activity) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/StockBasedCompensationScheduleOfStockBasedCompensationAwardActivityDetails</Role>
      <ShortName>Stock-Based Compensation (Schedule of Stock Based Compensation Award Activity) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>2411405 - Disclosure - Stock-Based Compensation (Schedule of Stock Options Activity) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/StockBasedCompensationScheduleOfStockOptionsActivityDetails</Role>
      <ShortName>Stock-Based Compensation (Schedule of Stock Options Activity) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>2411406 - Disclosure - Stock-Based Compensation (Schedule of Options Outstanding and Options Exercisable) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/StockBasedCompensationScheduleOfOptionsOutstandingAndOptionsExercisableDetails</Role>
      <ShortName>Stock-Based Compensation (Schedule of Options Outstanding and Options Exercisable) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>2411407 - Disclosure - Stock-Based Compensation (Restricted Stock Awards and Restricted Stock Units) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/StockBasedCompensationRestrictedStockAwardsAndRestrictedStockUnitsDetails</Role>
      <ShortName>Stock-Based Compensation (Restricted Stock Awards and Restricted Stock Units) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>2411408 - Disclosure - Stock-Based Compensation (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/StockBasedCompensationNarrativeDetails</Role>
      <ShortName>Stock-Based Compensation (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>2412402 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/AccumulatedOtherComprehensiveIncomeLossDetails</Role>
      <ShortName>Accumulated Other Comprehensive Income (Loss) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>2413402 - Disclosure - Information Concerning Product Lines, Geographic Information, Accounts Receivable and Revenue Concentration (Schedule of Revenue by Product Line) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/InformationConcerningProductLinesGeographicInformationAccountsReceivableAndRevenueConcentrationScheduleOfRevenueByProductLineDetails</Role>
      <ShortName>Information Concerning Product Lines, Geographic Information, Accounts Receivable and Revenue Concentration (Schedule of Revenue by Product Line) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>2413403 - Disclosure - Information Concerning Product Lines, Geographic Information, Accounts Receivable and Revenue Concentration (Schedule of Revenue by Geographical Area) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/InformationConcerningProductLinesGeographicInformationAccountsReceivableAndRevenueConcentrationScheduleOfRevenueByGeographicalAreaDetails</Role>
      <ShortName>Information Concerning Product Lines, Geographic Information, Accounts Receivable and Revenue Concentration (Schedule of Revenue by Geographical Area) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>2413404 - Disclosure - Information Concerning Product Lines, Geographic Information, Accounts Receivable and Revenue Concentration (Schedule of Customer Concentration) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/InformationConcerningProductLinesGeographicInformationAccountsReceivableAndRevenueConcentrationScheduleOfCustomerConcentrationDetails</Role>
      <ShortName>Information Concerning Product Lines, Geographic Information, Accounts Receivable and Revenue Concentration (Schedule of Customer Concentration) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>2414401 - Disclosure - Shelf Registration Statement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/ShelfRegistrationStatementDetails</Role>
      <ShortName>Shelf Registration Statement (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>2415402 - Disclosure - Commitments and Contingencies (Schedule of Future Minimum Lease Payments for Operating Leases)(Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/CommitmentsAndContingenciesScheduleOfFutureMinimumLeasePaymentsForOperatingLeasesdetails</Role>
      <ShortName>Commitments and Contingencies (Schedule of Future Minimum Lease Payments for Operating Leases)(Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>2415403 - Disclosure - Commitments and Contingencies (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/CommitmentsAndContingenciesNarrativeDetails</Role>
      <ShortName>Commitments and Contingencies (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>2418401 - Disclosure - Valuation and Qualifying Accounts (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.quicklogic.com/role/ValuationAndQualifyingAccountsDetails</Role>
      <ShortName>Valuation and Qualifying Accounts (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Element quik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestingPercentage had a mix of decimals attribute values: 0 4.</Log>
    <Log type="Info">Element us-gaap_LineOfCredit had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant had a mix of decimals attribute values: -3 0.</Log>
    <Log type="Info">Element us-gaap_StockIssuedDuringPeriodSharesNewIssues had a mix of decimals attribute values: -3 0.</Log>
    <Log type="Info">Columns in Cash Flows statement 'Consolidated Statements of Cash Flows (USD $)' have maximum duration 363 days and at least 35 values. Shorter duration columns must have at least one fourth (8) as many values. Column '11/1/2013 - 11/30/2013' is shorter (29 days) and has only 1 values, so it is being removed.</Log>
    <Log type="Info">'Shares' elements on report '1006000 - Statement - Consolidated Statements of Stockholders' Equity' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2401401 - Disclosure - The Company and Basis of Presentation (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2402402 - Disclosure - Significant Accounting Policies (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2405404 - Disclosure - Balance Sheet Components (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2406403 - Disclosure - Obligations (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2408402 - Disclosure - Income Taxes (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Shares' elements on report '2411404 - Disclosure - Stock-Based Compensation (Schedule of Stock Based Compensation Award Activity) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Shares' elements on report '2411407 - Disclosure - Stock-Based Compensation (Restricted Stock Awards and Restricted Stock Units) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2411408 - Disclosure - Stock-Based Compensation (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2415403 - Disclosure - Commitments and Contingencies (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 1001000 - Statement - Consolidated Balance Sheets</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Jan. 01, 2012'</Log>
    <Log type="Info">Process Flow-Through: 1001501 - Statement - Consolidated Balance Sheets (Parenthetical)</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Nov. 30, 2013'</Log>
    <Log type="Info">Process Flow-Through: 1002000 - Statement - Consolidated Statements of Operations</Log>
    <Log type="Info">Process Flow-Through: 1004000 - Statement - Consolidated Statements of Comprehensive Loss</Log>
    <Log type="Info">Process Flow-Through: 1005000 - Statement - Consolidated Statements of Cash Flows</Log>
  </Logs>
  <InputFiles>
    <File>quik-20141228.xml</File>
    <File>quik-20141228.xsd</File>
    <File>quik-20141228_cal.xml</File>
    <File>quik-20141228_def.xml</File>
    <File>quik-20141228_lab.xml</File>
    <File>quik-20141228_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
