<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.23.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>70</ContextCount>
  <ElementCount>178</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>26</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>4</UnitCount>
  <MyReports>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00090 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00100 - Statement - CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/StatementConsolidatedBalanceSheets</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/StatementConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00200 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveOperations</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE OPERATIONS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00300 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/StatementConsolidatedStatementsOfStockholdersEquity</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>00400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/StatementConsolidatedStatementsOfCashFlows</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>10101 - Disclosure - Basis of Presentation and Description of Company</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureBasisOfPresentationAndDescriptionOfCompany</Role>
      <ShortName>Basis of Presentation and Description of Company</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>10201 - Disclosure - Borrowings</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureBorrowings</Role>
      <ShortName>Borrowings</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>10301 - Disclosure - Stockholders' Equity and Share-Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureStockholdersEquityAndShareBasedCompensation</Role>
      <ShortName>Stockholders' Equity and Share-Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>10401 - Disclosure - Net Income Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureNetIncomePerShare</Role>
      <ShortName>Net Income Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>10501 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureIncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>10601 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureCommitmentsAndContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>10701 - Disclosure - Product Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureProductInformation</Role>
      <ShortName>Product Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>20102 - Disclosure - Basis of Presentation and Description of Company (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureBasisOfPresentationAndDescriptionOfCompanyPolicies</Role>
      <ShortName>Basis of Presentation and Description of Company (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>30303 - Disclosure - Stockholders' Equity and Share-Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureStockholdersEquityAndShareBasedCompensationTables</Role>
      <ShortName>Stockholders' Equity and Share-Based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.usautoparts.net/role/DisclosureStockholdersEquityAndShareBasedCompensation</ParentRole>
      <Position>15</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>30403 - Disclosure - Net Income Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureNetIncomePerShareTables</Role>
      <ShortName>Net Income Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.usautoparts.net/role/DisclosureNetIncomePerShare</ParentRole>
      <Position>16</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>30703 - Disclosure - Product Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureProductInformationTables</Role>
      <ShortName>Product Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.usautoparts.net/role/DisclosureProductInformation</ParentRole>
      <Position>17</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>40201 - Disclosure - Borrowings (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureBorrowingsDetails</Role>
      <ShortName>Borrowings (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.usautoparts.net/role/DisclosureBorrowings</ParentRole>
      <Position>18</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>402011 - Disclosure - Borrowings - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureBorrowingsAdditionalInformationDetails</Role>
      <ShortName>Borrowings - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>40301 - Disclosure - Stockholders' Equity and Share-Based Compensation - Summary of Stock Option Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureStockholdersEquityAndShareBasedCompensationSummaryOfStockOptionActivityDetails</Role>
      <ShortName>Stockholders' Equity and Share-Based Compensation - Summary of Stock Option Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>403011 - Disclosure - Stockholders' Equity and Share-Based Compensation - Public Equity Offering (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureStockholdersEquityAndShareBasedCompensationPublicEquityOfferingDetails</Role>
      <ShortName>Stockholders' Equity and Share-Based Compensation - Public Equity Offering (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>40305 - Disclosure - Stockholders' Equity and Share-Based Compensation - Share-Based Compensation Plan Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureStockholdersEquityAndShareBasedCompensationShareBasedCompensationPlanInformationDetails</Role>
      <ShortName>Stockholders' Equity and Share-Based Compensation - Share-Based Compensation Plan Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>40307 - Disclosure - Stockholders' Equity and Share-Based Compensation - Restricted Stock Units (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureStockholdersEquityAndShareBasedCompensationRestrictedStockUnitsDetails</Role>
      <ShortName>Stockholders' Equity and Share-Based Compensation - Restricted Stock Units (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>40308 - Disclosure - Stockholders' Equity and Share-Based Compensation - Summary of Restricted Stock Unit Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureStockholdersEquityAndShareBasedCompensationSummaryOfRestrictedStockUnitActivityDetails</Role>
      <ShortName>Stockholders' Equity and Share-Based Compensation - Summary of Restricted Stock Unit Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>403081 - Disclosure - Stockholders' Equity and Share-Based Compensation - Share-Based Compensation Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureStockholdersEquityAndShareBasedCompensationShareBasedCompensationExpenseDetails</Role>
      <ShortName>Stockholders' Equity and Share-Based Compensation - Share-Based Compensation Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>40401 - Disclosure - Net Loss Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureNetLossPerShareDetails</Role>
      <ShortName>Net Loss Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>40402 - Disclosure - Net Income (Loss) Per Share - Anti-Dilutive Securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureNetIncomeLossPerShareAntiDilutiveSecuritiesDetails</Role>
      <ShortName>Net Income (Loss) Per Share - Anti-Dilutive Securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.usautoparts.net/role/DisclosureNetIncomePerShareTables</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>40501 - Disclosure - Income Taxes - Components of Loss From Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureIncomeTaxesComponentsOfLossFromOperationsDetails</Role>
      <ShortName>Income Taxes - Components of Loss From Operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>40502 - Disclosure - Income Taxes - Summary of Income Tax Provision (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureIncomeTaxesSummaryOfIncomeTaxProvisionDetails</Role>
      <ShortName>Income Taxes - Summary of Income Tax Provision (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>40503 - Disclosure - Income Taxes - Summary of Differences Between Income Tax Provision and Applied Federal Statutory Rate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureIncomeTaxesSummaryOfDifferencesBetweenIncomeTaxProvisionAndAppliedFederalStatutoryRateDetails</Role>
      <ShortName>Income Taxes - Summary of Differences Between Income Tax Provision and Applied Federal Statutory Rate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>40506 - Disclosure - Income Taxes - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureIncomeTaxesAdditionalInformationDetails</Role>
      <ShortName>Income Taxes - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>40605 - Disclosure - Commitments and Contingencies - Quantitative Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureCommitmentsAndContingenciesQuantitativeInformationDetailss</Role>
      <ShortName>Commitments and Contingencies - Quantitative Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>406051 - Disclosure - Commitments and Contingencies - Quantitative Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureCommitmentsAndContingenciesQuantitativeInformationDetails</Role>
      <ShortName>Commitments and Contingencies - Quantitative Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="prts-20230401x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>40701 - Disclosure - Product Information - Summary of Segment Percentages (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usautoparts.net/role/DisclosureProductInformationSummaryOfSegmentPercentagesDetails</Role>
      <ShortName>Product Information - Summary of Segment Percentages (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Warning">[ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 3 fact(s) appearing in ix:hidden were eligible for transformation: prts:DebtInstrumentCashDominionPeriodNumberOfDaysBelowMinimumExcessAvailability, us-gaap:CommonStockSharesOutstanding -  prts-20230401x10q.htm 9</Log>
    <Log type="Warning">[ix-0514-Hidden-Fact-Not-Referenced] WARN: 2 fact(s) appearing in ix:hidden were not referenced by any -sec-ix-hidden style property: us-gaap:CommitmentsAndContingencies -  prts-20230401x10q.htm 9</Log>
  </Logs>
  <InputFiles>
    <File doctype="10-Q" original="prts-20230401x10q.htm">prts-20230401x10q.htm</File>
    <File>prts-20230401.xsd</File>
    <File>prts-20230401_cal.xml</File>
    <File>prts-20230401_def.xml</File>
    <File>prts-20230401_lab.xml</File>
    <File>prts-20230401_pre.xml</File>
    <File>prts-20230401xex31d1.htm</File>
    <File>prts-20230401xex31d2.htm</File>
    <File>prts-20230401xex32d1.htm</File>
    <File>prts-20230401xex32d2.htm</File>
  </InputFiles>
  <SupplementalFiles>
    <File>prts-20230401x10q004.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="297">http://fasb.org/us-gaap/2022</BaseTaxonomy>
    <BaseTaxonomy items="30">http://xbrl.sec.gov/dei/2022</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
