<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="irix-20260612.xsd" xlink:type="simple"/>
    <context id="C_a26ca3bb-14fc-46c3-a749-d533c0342de1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001006045</identifier>
        </entity>
        <period>
            <startDate>2026-06-12</startDate>
            <endDate>2026-06-12</endDate>
        </period>
    </context>
    <dei:EntityCentralIndexKey
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_aff03bf0-d2b8-4b3d-bc59-19ce70b11712">0001006045</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_832e603e-3462-443c-a6e9-b20657e5434b">false</dei:AmendmentFlag>
    <dei:DocumentType
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_fda143d7-d79d-4d70-a2c1-fd403414df12">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_ad9ecba4-a48b-4d5b-a8b6-2a59fdbb3d9a">2026-06-12</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_8b48e9f9-9f52-4a98-a315-fa5b38ea75ff">IRIDEX CORPORATION</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_e6c56a7e-ac08-45d5-a56e-be816191d85f">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_5690f221-0048-487f-94c8-b9e2cdb78b54">000-27598</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_ccb9363d-a79b-4b02-8193-2c162896547f">77-0210467</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_58a6054f-87f5-45ee-87af-7af99421e698">1212 Terra Bella Avenue</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_43cf7b0b-a633-466f-b9e3-845a7e3fdacb">Mountain View</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_f2ebbca5-6bb4-4c1f-a578-a92f44ead80c">CA</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_f76f4d12-76ff-495b-838b-620935c19989">94043</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_bb815279-aaac-41a4-88f6-c6f89dc5489f">650</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_6bc0e67e-5f6f-43f2-9fd2-3c3026cc94aa">940-4700</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_c8cd4791-f484-4999-9388-d946a9fa59d8">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_97a7e5b8-9a1c-4dba-bd8d-1857e40e880e">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_1140734d-b39b-41f5-9e53-10a9ceb9eedb">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_2e535463-adef-4206-8955-e38e63b470fb">false</dei:PreCommencementIssuerTenderOffer>
    <dei:EntityEmergingGrowthCompany
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_ac6e56c7-ce65-4557-97fb-749d580f420b">false</dei:EntityEmergingGrowthCompany>
    <dei:Security12bTitle
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_c02636cb-8ede-4d60-82e1-dc285dcd3ca3">Common Stock, par value $0.01 per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_f1ba241d-edad-4f7f-afcf-81c1630dd888">IRIX</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="C_a26ca3bb-14fc-46c3-a749-d533c0342de1"
      id="F_3ff4046f-79fc-42e7-a92d-395e6f4017ff">NASDAQ</dei:SecurityExchangeName>
</xbrl>
