2.4.0.8 Html 95 185 1 false 31 0 false 7 false false R1.htm 0001000 - Document - Document and Entity Information Sheet http://www.psemi.com/role/DocumentAndEntityInformation Document and Entity Information true false R2.htm 1001000 - Statement - Condensed Consolidated Balance Sheets Sheet http://www.psemi.com/role/CondensedConsolidatedBalanceSheets Condensed Consolidated Balance Sheets false false R3.htm 1001001 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Sheet http://www.psemi.com/role/CondensedConsolidatedBalanceSheetsParenthetical Condensed Consolidated Balance Sheets (Parenthetical) false false R4.htm 1003000 - Statement - Condensed Consolidated Statements of Operations Sheet http://www.psemi.com/role/CondensedConsolidatedStatementsOfOperations Condensed Consolidated Statements of Operations false false R5.htm 1004000 - Statement - Condensed Consolidated Statements of Comprehensive Loss Sheet http://www.psemi.com/role/CondensedConsolidatedStatementsOfComprehensiveLoss Condensed Consolidated Statements of Comprehensive Loss false false R6.htm 1005000 - Statement - Condensed Consolidated Statements of Cash Flows Sheet http://www.psemi.com/role/CondensedConsolidatedStatementsOfCashFlows Condensed Consolidated Statements of Cash Flows false false R7.htm 2101100 - Disclosure - Organization and Summary of Significant Accounting Policies Sheet http://www.psemi.com/role/OrganizationAndSummaryOfSignificantAccountingPolicies Organization and Summary of Significant Accounting Policies false false R8.htm 2105100 - Disclosure - Net Loss per Share Sheet http://www.psemi.com/role/NetLossPerShare Net Loss per Share false false R9.htm 2108100 - Disclosure - Certain Financial Statement Information Sheet http://www.psemi.com/role/CertainFinancialStatementInformation Certain Financial Statement Information false false R10.htm 2114100 - Disclosure - Financial Instruments Sheet http://www.psemi.com/role/FinancialInstruments Financial Instruments false false R11.htm 2121100 - Disclosure - Stock-Based Compensation Sheet http://www.psemi.com/role/StockBasedCompensation Stock-Based Compensation false false R12.htm 2122100 - Disclosure - Commitments and Contingencies Sheet http://www.psemi.com/role/CommitmentsAndContingencies Commitments and Contingencies false false R13.htm 2124100 - Disclosure - Income Taxes Sheet http://www.psemi.com/role/IncomeTaxes Income Taxes false false R14.htm 2126100 - Disclosure - Supply and Prepayment Agreement Sheet http://www.psemi.com/role/SupplyAndPrepaymentAgreement Supply and Prepayment Agreement false false R15.htm 2127100 - Disclosure - Restructuring Sheet http://www.psemi.com/role/Restructuring Restructuring false false R16.htm 2201201 - Disclosure - Organization and Summary of Significant Accounting Policies (Policies) Sheet http://www.psemi.com/role/OrganizationAndSummaryOfSignificantAccountingPoliciesPolicies Organization and Summary of Significant Accounting Policies (Policies) false false R17.htm 2301302 - Disclosure - Organization and Summary of Significant Accounting Policies (Tables) Sheet http://www.psemi.com/role/OrganizationAndSummaryOfSignificantAccountingPoliciesTables Organization and Summary of Significant Accounting Policies (Tables) false false R18.htm 2305301 - Disclosure - Net Loss per Share (Tables) Sheet http://www.psemi.com/role/NetLossPerShareTables Net Loss per Share (Tables) false false R19.htm 2308301 - Disclosure - Certain Financial Statement Information (Tables) Sheet http://www.psemi.com/role/CertainFinancialStatementInformationTables Certain Financial Statement Information (Tables) false false R20.htm 2314301 - Disclosure - Financial Instruments (Tables) Sheet http://www.psemi.com/role/FinancialInstrumentsTables Financial Instruments (Tables) false false R21.htm 2321301 - Disclosure - Stock-Based Compensation (Tables) Sheet http://www.psemi.com/role/StockBasedCompensationTables Stock-Based Compensation (Tables) false false R22.htm 2327301 - Disclosure - Restructuring (Tables) Sheet http://www.psemi.com/role/RestructuringTables Restructuring (Tables) false false R23.htm 2401403 - Disclosure - Organization and Summary of Significant Accounting Policies - Customers that Exceed 10% of Total Net Revenue (Detail) Sheet http://www.psemi.com/role/OrganizationAndSummaryOfSignificantAccountingPoliciesCustomersThatExceed10OfTotalNetRevenueDetail Organization and Summary of Significant Accounting Policies - Customers that Exceed 10% of Total Net Revenue (Detail) false false R24.htm 2401404 - Disclosure - Organization and Summary of Significant Accounting Policies - Warranty (Detail) Sheet http://www.psemi.com/role/OrganizationAndSummaryOfSignificantAccountingPoliciesWarrantyDetail Organization and Summary of Significant Accounting Policies - Warranty (Detail) false false R25.htm 2405402 - Disclosure - Net Loss per Share (Detail) Sheet http://www.psemi.com/role/NetLossPerShareDetail Net Loss per Share (Detail) false false R26.htm 2408402 - Disclosure - Certain Financial Statement Information - Inventories (Detail) Sheet http://www.psemi.com/role/CertainFinancialStatementInformationInventoriesDetail Certain Financial Statement Information - Inventories (Detail) false false R27.htm 2408403 - Disclosure - Certain Financial Statement Information - Additional Information (Detail) Sheet http://www.psemi.com/role/CertainFinancialStatementInformationAdditionalInformationDetail Certain Financial Statement Information - Additional Information (Detail) false false R28.htm 2408404 - Disclosure - Certain Financial Statement Information - Property and Equipment (Detail) Sheet http://www.psemi.com/role/CertainFinancialStatementInformationPropertyAndEquipmentDetail Certain Financial Statement Information - Property and Equipment (Detail) false false R29.htm 2408405 - Disclosure - Certain Financial Statement Information - Accrued Liabilities (Detail) Sheet http://www.psemi.com/role/CertainFinancialStatementInformationAccruedLiabilitiesDetail Certain Financial Statement Information - Accrued Liabilities (Detail) false false R30.htm 2408406 - Disclosure - Certain Financial Statement Information - Warranty Costs (Detail) Sheet http://www.psemi.com/role/CertainFinancialStatementInformationWarrantyCostsDetail Certain Financial Statement Information - Warranty Costs (Detail) false false R31.htm 2414402 - Disclosure - Financial Instruments - Cash and Marketable Securities' Cost, Unrealized Gains, Unrealized Losses and Fair Value by Significant Investment (Detail) Sheet http://www.psemi.com/role/FinancialInstrumentsCashAndMarketableSecuritiesCostUnrealizedGainsUnrealizedLossesAndFairValueBySignificantInvestmentDetail Financial Instruments - Cash and Marketable Securities' Cost, Unrealized Gains, Unrealized Losses and Fair Value by Significant Investment (Detail) false false R32.htm 2414403 - Disclosure - Financial Instruments - Additional Information (Detail) Sheet http://www.psemi.com/role/FinancialInstrumentsAdditionalInformationDetail Financial Instruments - Additional Information (Detail) false false R33.htm 2421402 - Disclosure - Stock-Based Compensation - Additional Information (Detail) Sheet http://www.psemi.com/role/StockBasedCompensationAdditionalInformationDetail Stock-Based Compensation - Additional Information (Detail) false false R34.htm 2421403 - Disclosure - Stock-Based Compensation - Fair Value of Stock Options Estimated at Grant Date (Detail) Sheet http://www.psemi.com/role/StockBasedCompensationFairValueOfStockOptionsEstimatedAtGrantDateDetail Stock-Based Compensation - Fair Value of Stock Options Estimated at Grant Date (Detail) false false R35.htm 2421404 - Disclosure - Stock-Based Compensation - Stock Plan Activity (Detail) Sheet http://www.psemi.com/role/StockBasedCompensationStockPlanActivityDetail Stock-Based Compensation - Stock Plan Activity (Detail) false false R36.htm 2421405 - Disclosure - Stock-Based Compensation - Compensation Expense Recognized (Detail) Sheet http://www.psemi.com/role/StockBasedCompensationCompensationExpenseRecognizedDetail Stock-Based Compensation - Compensation Expense Recognized (Detail) false false R37.htm 2422401 - Disclosure - Commitments and Contingencies (Detail) Sheet http://www.psemi.com/role/CommitmentsAndContingenciesDetail Commitments and Contingencies (Detail) false false R38.htm 2424401 - Disclosure - Income Taxes (Detail) Sheet http://www.psemi.com/role/IncomeTaxesDetail Income Taxes (Detail) false false R39.htm 2426401 - Disclosure - Supply and Prepayment Agreement (Detail) Sheet http://www.psemi.com/role/SupplyAndPrepaymentAgreementDetail Supply and Prepayment Agreement (Detail) false false R40.htm 2427402 - Disclosure - Restructuring (Detail) Sheet http://www.psemi.com/role/RestructuringDetail Restructuring (Detail) false false All Reports Book All Reports 'Monetary' elements on report '2426401 - Disclosure - Supply and Prepayment Agreement (Detail)' had a mix of different decimal attribute values. Process Flow-Through: 1001000 - Statement - Condensed Consolidated Balance Sheets Process Flow-Through: Removing column 'Jun. 29, 2013' Process Flow-Through: Removing column 'Dec. 29, 2012' Process Flow-Through: 1001001 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Process Flow-Through: 1003000 - Statement - Condensed Consolidated Statements of Operations Process Flow-Through: 1004000 - Statement - Condensed Consolidated Statements of Comprehensive Loss Process Flow-Through: 1005000 - Statement - Condensed Consolidated Statements of Cash Flows psmi-20140628.xml psmi-20140628.xsd psmi-20140628_cal.xml psmi-20140628_def.xml psmi-20140628_lab.xml psmi-20140628_pre.xml true true