<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:ecd="http://xbrl.sec.gov/ecd/2025"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="cnsp-20251231.xsd" xlink:type="simple"/>
    <context id="From2025-01-01to2025-12-31">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001729427</identifier>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="AsOf2025-06-30">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001729427</identifier>
        </entity>
        <period>
            <instant>2025-06-30</instant>
        </period>
    </context>
    <context id="AsOf2026-04-27">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001729427</identifier>
        </entity>
        <period>
            <instant>2026-04-27</instant>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="Shares">
        <measure>shares</measure>
    </unit>
    <dei:AmendmentFlag contextRef="From2025-01-01to2025-12-31" id="Fact000003">true</dei:AmendmentFlag>
    <dei:DocumentFiscalYearFocus contextRef="From2025-01-01to2025-12-31" id="Fact000004">2025</dei:DocumentFiscalYearFocus>
    <dei:DocumentFiscalPeriodFocus contextRef="From2025-01-01to2025-12-31" id="Fact000005">FY</dei:DocumentFiscalPeriodFocus>
    <dei:AmendmentDescription contextRef="From2025-01-01to2025-12-31" id="Fact000006">Filed to amend Items 10 through 14</dei:AmendmentDescription>
    <dei:EntityCentralIndexKey contextRef="From2025-01-01to2025-12-31" id="Fact000007">0001729427</dei:EntityCentralIndexKey>
    <dei:DocumentType contextRef="From2025-01-01to2025-12-31" id="Fact000014">10-K/A</dei:DocumentType>
    <dei:DocumentAnnualReport contextRef="From2025-01-01to2025-12-31" id="Fact000015">true</dei:DocumentAnnualReport>
    <dei:DocumentPeriodEndDate contextRef="From2025-01-01to2025-12-31" id="Fact000016">2025-12-31</dei:DocumentPeriodEndDate>
    <dei:CurrentFiscalYearEndDate contextRef="From2025-01-01to2025-12-31" id="Fact000017">--12-31</dei:CurrentFiscalYearEndDate>
    <dei:DocumentTransitionReport contextRef="From2025-01-01to2025-12-31" id="Fact000018">false</dei:DocumentTransitionReport>
    <dei:EntityFileNumber contextRef="From2025-01-01to2025-12-31" id="Fact000019">001-39126</dei:EntityFileNumber>
    <dei:EntityRegistrantName contextRef="From2025-01-01to2025-12-31" id="Fact000020">CNS Pharmaceuticals, Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="From2025-01-01to2025-12-31" id="Fact000021">NV</dei:EntityIncorporationStateCountryCode>
    <dei:EntityTaxIdentificationNumber contextRef="From2025-01-01to2025-12-31" id="Fact000022">82-2318545</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="From2025-01-01to2025-12-31" id="Fact000023">2100 West Loop South</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2 contextRef="From2025-01-01to2025-12-31" id="Fact000024">Suite 900</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown contextRef="From2025-01-01to2025-12-31" id="Fact000025">Houston</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="From2025-01-01to2025-12-31" id="Fact000026">TX</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="From2025-01-01to2025-12-31" id="Fact000027">77027</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="From2025-01-01to2025-12-31" id="Fact000028">800</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="From2025-01-01to2025-12-31" id="Fact000029">946-9185</dei:LocalPhoneNumber>
    <dei:Security12bTitle contextRef="From2025-01-01to2025-12-31" id="Fact000030">Common Stock</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="From2025-01-01to2025-12-31" id="Fact000031">CNSP</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="From2025-01-01to2025-12-31" id="Fact000032">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityWellKnownSeasonedIssuer contextRef="From2025-01-01to2025-12-31" id="Fact000033">No</dei:EntityWellKnownSeasonedIssuer>
    <dei:EntityVoluntaryFilers contextRef="From2025-01-01to2025-12-31" id="Fact000034">No</dei:EntityVoluntaryFilers>
    <dei:EntityCurrentReportingStatus contextRef="From2025-01-01to2025-12-31" id="Fact000035">Yes</dei:EntityCurrentReportingStatus>
    <dei:EntityInteractiveDataCurrent contextRef="From2025-01-01to2025-12-31" id="Fact000036">Yes</dei:EntityInteractiveDataCurrent>
    <dei:EntityFilerCategory contextRef="From2025-01-01to2025-12-31" id="Fact000037">Non-accelerated Filer</dei:EntityFilerCategory>
    <dei:EntitySmallBusiness contextRef="From2025-01-01to2025-12-31" id="Fact000038">true</dei:EntitySmallBusiness>
    <dei:EntityEmergingGrowthCompany contextRef="From2025-01-01to2025-12-31" id="Fact000039">false</dei:EntityEmergingGrowthCompany>
    <dei:IcfrAuditorAttestationFlag contextRef="From2025-01-01to2025-12-31" id="Fact000040">false</dei:IcfrAuditorAttestationFlag>
    <dei:DocumentFinStmtErrorCorrectionFlag contextRef="From2025-01-01to2025-12-31" id="Fact000041">false</dei:DocumentFinStmtErrorCorrectionFlag>
    <dei:EntityShellCompany contextRef="From2025-01-01to2025-12-31" id="Fact000042">false</dei:EntityShellCompany>
    <dei:EntityPublicFloat
      contextRef="AsOf2025-06-30"
      decimals="0"
      id="Fact000043"
      unitRef="USD">8780000</dei:EntityPublicFloat>
    <dei:EntityCommonStockSharesOutstanding
      contextRef="AsOf2026-04-27"
      decimals="INF"
      id="Fact000044"
      unitRef="Shares">811449</dei:EntityCommonStockSharesOutstanding>
    <ecd:InsiderTrdPoliciesProcAdoptedFlag contextRef="From2025-01-01to2025-12-31" id="Fact000045">true</ecd:InsiderTrdPoliciesProcAdoptedFlag>
    <ecd:AwardTmgMnpiDiscTextBlock contextRef="From2025-01-01to2025-12-31" id="Fact000046">We do not grant equity
awards in anticipation of the release of &lt;span id="xdx_90C_eecd--AwardTmgMnpiCnsdrdFlag_dbT_c20250101__20251231_zEqes8MeuPzg"&gt;material nonpublic information&lt;/span&gt; that is likely to result in changes to the price of our common
stock, and do not time the public release of such information based on award grant dates. During the last completed fiscal year, we have
not made awards to any named executive officer or director during the period beginning four business days before and ending one business
day after the filing of a period report on Form 10-Q or Form 10-K or the filing or furnishing of a current report on Form 8-K, and we
have not timed the disclosure of material nonpublic information for the purpose of affecting the value of executive compensation.</ecd:AwardTmgMnpiDiscTextBlock>
    <ecd:AwardTmgMnpiCnsdrdFlag contextRef="From2025-01-01to2025-12-31" id="Fact000047">true</ecd:AwardTmgMnpiCnsdrdFlag>
</xbrl>