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  <Logs>
    <Log type="Info">In ''Consolidated Condensed Balance Sheets'', column(s) 3, 4 are contained in other reports, so were removed by flow through suppression.</Log>
    <Log type="Info">In ''Consolidated Condensed Statements Of Operations'', column(s) 1 are contained in other reports, so were removed by flow through suppression.</Log>
    <Log type="Info">In ''Consolidated Condensed Statements Of Cash Flows'', column(s) 1, 2, 3 are contained in other reports, so were removed by flow through suppression.</Log>
  </Logs>
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    <File>iin-20150630_cal.xml</File>
    <File>iin-20150630_def.xml</File>
    <File>iin-20150630_lab.xml</File>
    <File>iin-20150630_pre.xml</File>
    <File>iin-20150630.xsd</File>
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  <SupplementalFiles/>
  <BaseTaxonomies/>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>

