<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <Version>2.4.1.9</Version>
  <ProcessingTime />
  <ReportFormat>Html</ReportFormat>
  <ContextCount>64</ContextCount>
  <ElementCount>151</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>24</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>4</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000 - Disclosure - Document And Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document And Entity Information</ShortName>
    </Report>
    <Report>
      <IsDefault>true</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>001 - Statement - Condensed Consolidated Balance Sheets (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/ConsolidatedBalanceSheet</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>002 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/ConsolidatedBalanceSheet_Parentheticals</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>003 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/ConsolidatedIncomeStatement</Role>
      <ShortName>Condensed Consolidated Statements of Operations (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>004 - Statement - Condensed Consolidated Statements of Comprehensive Loss (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/ConsolidatedComprehensiveIncome</Role>
      <ShortName>Condensed Consolidated Statements of Comprehensive Loss (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/ConsolidatedCashFlow</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>006 - Disclosure - Note 1 - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note1SummaryofSignificantAccountingPolicies</Role>
      <ShortName>Note 1 - Summary of Significant Accounting Policies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>007 - Disclosure - Note 2 - Cash, Cash Equivalents and Marketable Investments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note2CashCashEquivalentsandMarketableInvestments</Role>
      <ShortName>Note 2 - Cash, Cash Equivalents and Marketable Investments</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>008 - Disclosure - Note 3 - Fair Value of Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note3FairValueofFinancialInstruments</Role>
      <ShortName>Note 3 - Fair Value of Financial Instruments</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>009 - Disclosure - Note 4 - Inventories</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note4Inventories</Role>
      <ShortName>Note 4 - Inventories</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>010 - Disclosure - Note 5 - Warranty</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note5Warranty</Role>
      <ShortName>Note 5 - Warranty</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>011 - Disclosure - Note 6 - Deferred Service Contract Revenue</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note6DeferredServiceContractRevenue</Role>
      <ShortName>Note 6 - Deferred Service Contract Revenue</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>012 - Disclosure - Note 7 - Stockholders' Equity and Stock-based Compensation Expense</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note7StockholdersEquityandStockbasedCompensationExpense</Role>
      <ShortName>Note 7 - Stockholders' Equity and Stock-based Compensation Expense</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>013 - Disclosure - Note 8 - Net Loss Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note8NetLossPerShare</Role>
      <ShortName>Note 8 - Net Loss Per Share</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>014 - Disclosure - Note 9 - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note9IncomeTaxes</Role>
      <ShortName>Note 9 - Income Taxes</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>015 - Disclosure - Note 10 - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note10CommitmentsandContingencies</Role>
      <ShortName>Note 10 - Commitments and Contingencies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>016 - Disclosure - Accounting Policies, by Policy (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/AccountingPoliciesByPolicy</Role>
      <ShortName>Accounting Policies, by Policy (Policies)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>017 - Disclosure - Note 2 - Cash, Cash Equivalents and Marketable Investments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note2CashCashEquivalentsandMarketableInvestmentsTables</Role>
      <ShortName>Note 2 - Cash, Cash Equivalents and Marketable Investments (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>018 - Disclosure - Note 3 - Fair Value of Financial Instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note3FairValueofFinancialInstrumentsTables</Role>
      <ShortName>Note 3 - Fair Value of Financial Instruments (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>019 - Disclosure - Note 4 - Inventories (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note4InventoriesTables</Role>
      <ShortName>Note 4 - Inventories (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>020 - Disclosure - Note 5 - Warranty (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note5WarrantyTables</Role>
      <ShortName>Note 5 - Warranty (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>021 - Disclosure - Note 6 - Deferred Service Contract Revenue (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note6DeferredServiceContractRevenueTables</Role>
      <ShortName>Note 6 - Deferred Service Contract Revenue (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>022 - Disclosure - Note 7 - Stockholders' Equity and Stock-based Compensation Expense (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note7StockholdersEquityandStockbasedCompensationExpenseTables</Role>
      <ShortName>Note 7 - Stockholders' Equity and Stock-based Compensation Expense (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>023 - Disclosure - Note 8 - Net Loss Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note8NetLossPerShareTables</Role>
      <ShortName>Note 8 - Net Loss Per Share (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>025 - Disclosure - Note 2 - Cash, Cash Equivalents and Marketable Investments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note2CashCashEquivalentsandMarketableInvestmentsDetails</Role>
      <ShortName>Note 2 - Cash, Cash Equivalents and Marketable Investments (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>026 - Disclosure - Note 2 - Cash, Cash Equivalents and Marketable Investments (Details) - Unrealized Gains and Losses Related to Marketable Investments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/UnrealizedGainsandLossesRelatedtoMarketableInvestmentsTable</Role>
      <ShortName>Note 2 - Cash, Cash Equivalents and Marketable Investments (Details) - Unrealized Gains and Losses Related to Marketable Investments</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>027 - Disclosure - Note 2 - Cash, Cash Equivalents and Marketable Investments (Details) - Maturities of Available-for-Sale Securities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/MaturitiesofAvailableforSaleSecuritiesTable</Role>
      <ShortName>Note 2 - Cash, Cash Equivalents and Marketable Investments (Details) - Maturities of Available-for-Sale Securities</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>028 - Disclosure - Note 3 - Fair Value of Financial Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note3FairValueofFinancialInstrumentsDetails</Role>
      <ShortName>Note 3 - Fair Value of Financial Instruments (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>029 - Disclosure - Note 3 - Fair Value of Financial Instruments (Details) - Summary of Fair Value of Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/SummaryofFairValueofFinancialInstrumentsTable</Role>
      <ShortName>Note 3 - Fair Value of Financial Instruments (Details) - Summary of Fair Value of Financial Instruments</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>030 - Disclosure - Note 4 - Inventories (Details) - Summary of Inventories</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/SummaryofInventoriesTable</Role>
      <ShortName>Note 4 - Inventories (Details) - Summary of Inventories</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>031 - Disclosure - Note 5 - Warranty (Details) - Summary of Warranties</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/SummaryofWarrantiesTable</Role>
      <ShortName>Note 5 - Warranty (Details) - Summary of Warranties</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>032 - Disclosure - Note 6 - Deferred Service Contract Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note6DeferredServiceContractRevenueDetails</Role>
      <ShortName>Note 6 - Deferred Service Contract Revenue (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>033 - Disclosure - Note 6 - Deferred Service Contract Revenue (Details) - Summary of Deferred Service Contract Revenue</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/SummaryofDeferredServiceContractRevenueTable</Role>
      <ShortName>Note 6 - Deferred Service Contract Revenue (Details) - Summary of Deferred Service Contract Revenue</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>034 - Disclosure - Note 7 - Stockholders' Equity and Stock-based Compensation Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note7StockholdersEquityandStockbasedCompensationExpenseDetails</Role>
      <ShortName>Note 7 - Stockholders' Equity and Stock-based Compensation Expense (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>035 - Disclosure - Note 7 - Stockholders' Equity and Stock-based Compensation Expense (Details) - Stock-based Compensation Expense by Department</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/StockbasedCompensationExpensebyDepartmentTable</Role>
      <ShortName>Note 7 - Stockholders' Equity and Stock-based Compensation Expense (Details) - Stock-based Compensation Expense by Department</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>036 - Disclosure - Note 7 - Stockholders' Equity and Stock-based Compensation Expense (Details) - Summary of Equity Awards Granted</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/SummaryofEquityAwardsGrantedTable</Role>
      <ShortName>Note 7 - Stockholders' Equity and Stock-based Compensation Expense (Details) - Summary of Equity Awards Granted</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>037 - Disclosure - Note 8 - Net Loss Per Share (Details) - Antidilutive Securities Excluded from Computation of Earnings Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/AntidilutiveSecuritiesExcludedfromComputationofEarningsPerShareTable</Role>
      <ShortName>Note 8 - Net Loss Per Share (Details) - Antidilutive Securities Excluded from Computation of Earnings Per Share</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>038 - Disclosure - Note 9 - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cutera.com/role/Note9IncomeTaxesDetails</Role>
      <ShortName>Note 9 - Income Taxes (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax had a mix of decimals attribute values: -3 0.</Log>
    <Log type="Info">Element us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">'Monetary' elements on report '003 - Statement - Condensed Consolidated Statements of Operations (Unaudited)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '026 - Disclosure - Note 2 - Cash, Cash Equivalents and Marketable Investments (Details) - Unrealized Gains and Losses Related to Marketable Investments' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 001 - Statement - Condensed Consolidated Balance Sheets (Unaudited)</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Mar. 31, 2014'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2013'</Log>
    <Log type="Info">Process Flow-Through: 002 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals)</Log>
    <Log type="Info">Process Flow-Through: 003 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</Log>
    <Log type="Info">Process Flow-Through: 004 - Statement - Condensed Consolidated Statements of Comprehensive Loss (Unaudited)</Log>
    <Log type="Info">Process Flow-Through: 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</Log>
  </Logs>
  <InputFiles>
    <File>cutr-20150331.xml</File>
    <File>cutr-20150331.xsd</File>
    <File>cutr-20150331_cal.xml</File>
    <File>cutr-20150331_def.xml</File>
    <File>cutr-20150331_lab.xml</File>
    <File>cutr-20150331_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
