<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.3</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>215</ContextCount>
  <ElementCount>318</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>50</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>4</UnitCount>
  <MyReports>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>110200 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/CondensedConsolidatedBalanceSheets</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>110201 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/ConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>124100 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/CondensedConsolidatedStatementsOfOperationsUnaudited</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>148600 - Statement - CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS EQUITY (DEFICIT) (UNAUDTIED)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/CondensedConsolidatedStatementOfStockholdersEquityDeficitUnaudtied</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS EQUITY (DEFICIT) (UNAUDTIED)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>170000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDTIED)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudtied</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDTIED)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>995446 - Disclosure - Organization</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/Organization</Role>
      <ShortName>Organization</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>995447 - Disclosure - Going Concern and Financial Condition</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/GoingConcernAndFinancialCondition</Role>
      <ShortName>Going Concern and Financial Condition</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>995448 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995449 - Disclosure - Inventory</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/Inventory</Role>
      <ShortName>Inventory</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995450 - Disclosure - Property And Equipment Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/PropertyAndEquipmentNet</Role>
      <ShortName>Property And Equipment Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995451 - Disclosure - Intellectual Property</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/IntellectualProperty</Role>
      <ShortName>Intellectual Property</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995452 - Disclosure - Related Party</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/RelatedParty</Role>
      <ShortName>Related Party</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995453 - Disclosure - Operating Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/OperatingLeases</Role>
      <ShortName>Operating Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995454 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/CommitmentsAndContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995455 - Disclosure - Stock Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/StockBasedCompensation</Role>
      <ShortName>Stock Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995456 - Disclosure - Warrants</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/Warrants</Role>
      <ShortName>Warrants</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>995457 - Disclosure - Segment and Geographic Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/SegmentAndGeographicInformation</Role>
      <ShortName>Segment and Geographic Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>995458 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>20</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995459 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>995460 - Disclosure - Inventory (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/InventoryTables</Role>
      <ShortName>Inventory (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://meec.com/role/Inventory</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>995461 - Disclosure - Property And Equipment Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/PropertyAndEquipmentNetTables</Role>
      <ShortName>Property And Equipment Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://meec.com/role/PropertyAndEquipmentNet</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>995462 - Disclosure - Intellectual Property (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/IntellectualPropertyTables</Role>
      <ShortName>Intellectual Property (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://meec.com/role/IntellectualProperty</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995463 - Disclosure - Related Party (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/RelatedPartyTables</Role>
      <ShortName>Related Party (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://meec.com/role/RelatedParty</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>995464 - Disclosure - Operating Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/OperatingLeasesTables</Role>
      <ShortName>Operating Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://meec.com/role/OperatingLeases</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>995465 - Disclosure - Stock Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/StockBasedCompensationTables</Role>
      <ShortName>Stock Based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://meec.com/role/StockBasedCompensation</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>995466 - Disclosure - Segment and Geographic Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/SegmentAndGeographicInformationTables</Role>
      <ShortName>Segment and Geographic Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://meec.com/role/SegmentAndGeographicInformation</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>995467 - Disclosure - Organization (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/OrganizationDetailsNarrative</Role>
      <ShortName>Organization (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/Organization</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>995468 - Disclosure - Going Concern and Financial Condition (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/GoingConcernAndFinancialConditionDetailsNarrative</Role>
      <ShortName>Going Concern and Financial Condition (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/GoingConcernAndFinancialCondition</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>995469 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesDetails</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>995470 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesDetails1</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Details 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>995471 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesDetails2</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Details 2)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>995472 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesDetails3</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Details 3)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>995473 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesDetailsNarrative</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>995474 - Disclosure - Inventory (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/InventoryDetails</Role>
      <ShortName>Inventory (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/InventoryTables</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>995475 - Disclosure - Property and Equipment, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/PropertyAndEquipmentNetDetails</Role>
      <ShortName>Property and Equipment, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>995476 - Disclosure - Property and Equipment, Net (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/PropertyAndEquipmentNetDetailsNarrative</Role>
      <ShortName>Property and Equipment, Net (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>995477 - Disclosure - Intellectual Property (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/IntellectualPropertyDetails</Role>
      <ShortName>Intellectual Property (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/IntellectualPropertyTables</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>995478 - Disclosure - Intellectual Property (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/IntellectualPropertyDetails1</Role>
      <ShortName>Intellectual Property (Details 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/IntellectualPropertyTables</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>995479 - Disclosure - Intellectual Property (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/IntellectualPropertyDetailsNarrative</Role>
      <ShortName>Intellectual Property (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/IntellectualPropertyTables</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>995480 - Disclosure - Related party (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/RelatedPartyDetails</Role>
      <ShortName>Related party (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>995481 - Disclosure - Related party (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/RelatedPartyDetailsNarrative</Role>
      <ShortName>Related party (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>995482 - Disclosure - Operating Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/OperatingLeasesDetails</Role>
      <ShortName>Operating Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/OperatingLeasesTables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>995483 - Disclosure - Operating Leases (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/OperatingLeasesDetails1</Role>
      <ShortName>Operating Leases (Details 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/OperatingLeasesTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>995484 - Disclosure - Operating Leases (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/OperatingLeasesDetails2</Role>
      <ShortName>Operating Leases (Details 2)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/OperatingLeasesTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>995485 - Disclosure - Operating Leases (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/OperatingLeasesDetailsNarrative</Role>
      <ShortName>Operating Leases (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/OperatingLeasesTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>995486 - Disclosure - Commitments and Contingencies (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/CommitmentsAndContingenciesDetailsNarrative</Role>
      <ShortName>Commitments and Contingencies (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/CommitmentsAndContingencies</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>995487 - Disclosure - Stock Based Compensation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/StockBasedCompensationDetails</Role>
      <ShortName>Stock Based Compensation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/StockBasedCompensationTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>995488 - Disclosure - Stock Based Compensation (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/StockBasedCompensationDetailsNarrative</Role>
      <ShortName>Stock Based Compensation (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/StockBasedCompensationTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="meec_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>995489 - Disclosure - Segment and Geographic Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://meec.com/role/SegmentAndGeographicInformationDetails</Role>
      <ShortName>Segment and Geographic Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://meec.com/role/SegmentAndGeographicInformationTables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>meec-20250930.xsd</File>
    <File>meec-20250930_cal.xml</File>
    <File>meec-20250930_def.xml</File>
    <File>meec-20250930_lab.xml</File>
    <File>meec-20250930_pre.xml</File>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="meec_10q.htm">meec_10q.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="633">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="26">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="5">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
