<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="epsn-20260813.xsd" xlink:type="simple"/>
    <context id="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001726126</identifier>
        </entity>
        <period>
            <startDate>2026-08-13</startDate>
            <endDate>2026-08-13</endDate>
        </period>
    </context>
    <dei:EntityCentralIndexKey
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Tc_jGMZEc0RTECfvH5flAZrDw_2_1">0001726126</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Tc_8ZtZvxc3SUC4lsVX68ciPA_3_1">false</dei:AmendmentFlag>
    <dei:DocumentType
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_gXb1dMUbA0OOGl3wkvsHoA">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_zxRCz9Kj10utjo3cX9Ugyw">2026-08-13</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_qqreZ7k_hEWsv0FjC4EwEQ">EPSILON ENERGY&#160;LTD.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_JE2BOWgxHEmLz1Xf5oVO-w">CA</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Tc_v68bhjxEg027ApF_JnHSiQ_1_1">001-38770</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Tc_szHj1xmyoU-7rsrSxRy-pQ_1_2">98-1476367</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_ycbM5-3x1UuLhNr-PTJjYA">500 Dallas St.</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_KMAK03gRq0KG4hIeySDcjg">Suite 1250</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_hicYr6lbdEaOqvlFjQTt9Q">Houston</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_62b7QcR_iU6SlQTkvtAWRg">TX</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_6ZE7Gi1YXUKEfnkPTYNlhg">77002</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_SI6uHhVa6kqkWf4KiJ0bPA">281</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_i3iuLDgHekG9FIFSsmmVuw">670-0002</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_TBTJ3mmA306e0CB7jOf0yg">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_B4duKTSrSEOo6h5OUdj7gw">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_jYiw5v_c50yAD-BTZoXpEQ">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_H7TdcDGYm0-jDtxJhNXfjg">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Tc_pqw22-0Ss0e-jYU3vlD7Mg_2_0">Common Shares, no par value</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Tc_oSKrBTsWj0mrnHxORcd-Qw_2_2">EPSN</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_QfwZw8aJokapWTbc2ZoYYw">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="Duration_8_13_2026_To_8_13_2026_deUBs1I1eUqqaOxs6r7AOg"
      id="Narr_b_tDGbWXXE-TTapEwzzY3Q">false</dei:EntityEmergingGrowthCompany>
</xbrl>
