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    <Log type="Info">'Monetary' elements on report '40702 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) (Common Stock) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 002 - Statement - CONSOLIDATED BALANCE SHEETS</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Jun. 30, 2012'</Log>
    <Log type="Info">Process Flow-Through: 003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS</Log>
    <Log type="Info">Process Flow-Through: 006 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</Log>
  </Logs>
  <InputFiles>
    <File>gltc-20140630.xml</File>
    <File>gltc-20140630.xsd</File>
    <File>gltc-20140630_cal.xml</File>
    <File>gltc-20140630_def.xml</File>
    <File>gltc-20140630_lab.xml</File>
    <File>gltc-20140630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
