<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <Version>2.3.0.11</Version>
  <ProcessingTime />
  <ReportFormat>Html</ReportFormat>
  <ReportType />
  <ContextCount>11</ContextCount>
  <ElementCount>65</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>0</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>3</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>true</IsDefault>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000010 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.hdsinternational.com/20110630/role/idr_DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>000020 - Statement - Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.hdsinternational.com/20110630/role/idr_BalanceSheets</Role>
      <ShortName>Balance Sheets</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>000030 - Statement - Balance Sheets Parentheticals</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.hdsinternational.com/20110630/role/idr_BalanceSheetsParentheticals</Role>
      <ShortName>Balance Sheets Parentheticals</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>000040 - Statement - Statement Of operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.hdsinternational.com/20110630/role/idr_StatementOfOperations</Role>
      <ShortName>Statement Of operations</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>000050 - Statement - Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.hdsinternational.com/20110630/role/idr_CashFlows</Role>
      <ShortName>Cash Flows</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>200000 - Disclosure - Nature of Operations and Continuance of Business</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.hdsinternational.com/20110630/role/idr_DisclosureNatureOfOperationsAndContinuanceOfBusiness</Role>
      <ShortName>Nature of Operations and Continuance of Business</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>210000 - Disclosure - Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.hdsinternational.com/20110630/role/idr_DisclosureAccountingPolicies</Role>
      <ShortName>Accounting Policies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>220000 - Disclosure - Related Party Disclosures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.hdsinternational.com/20110630/role/idr_DisclosureRelatedPartyDisclosures</Role>
      <ShortName>Related Party Disclosures</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>230000 - Disclosure - Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.hdsinternational.com/20110630/role/idr_DisclosureDebt</Role>
      <ShortName>Debt</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>240000 - Disclosure - Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.hdsinternational.com/20110630/role/idr_DisclosureEquity</Role>
      <ShortName>Equity</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>250000 - Disclosure - Commitment and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.hdsinternational.com/20110630/role/idr_DisclosureCommitmentAndContingencies</Role>
      <ShortName>Commitment and Contingencies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>260000 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.hdsinternational.com/20110630/role/idr_DisclosureSubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Process Flow-Through: 000020 - Statement - Balance Sheets</Log>
    <Log type="Info">Process Flow-Through: 000030 - Statement - Balance Sheets Parentheticals</Log>
    <Log type="Info">Process Flow-Through: 000040 - Statement - Statement Of operations</Log>
    <Log type="Info">Process Flow-Through: 000050 - Statement - Cash Flows</Log>
  </Logs>
  <InputFiles>
    <File>hdsi-20110630.xml</File>
    <File>hdsi-20110630.xsd</File>
    <File>hdsi-20110630_cal.xml</File>
    <File>hdsi-20110630_def.xml</File>
    <File>hdsi-20110630_lab.xml</File>
    <File>hdsi-20110630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
