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Related Party Transactions (Details) (USD $)
 1 Months Ended 0 Months Ended
Dec. 31, 2014
Jan. 23, 2015
CEO's Mother [Member]    
Related Party Transaction [Line Items]    
Monthly separation payment $ 5,000gltc_MonthlySeparationPayment
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= gltc_ChiefExecutiveOfficerAndChiefTechnologyOfficerMotherMember		  
Mr. Peter Cordani [Member]    
Related Party Transaction [Line Items]    
Percentage to be received of first $2 million of revenue   5.00%gltc_RelatedPartyTransactionPercentageOfSpecificFirstRevenueToBeReceived
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ChiefExecutiveOfficerMember
First revenue amount which 5% to be received   $ 2,000,000gltc_RelatedPartyTransactionFirstRevenueWhichSpecificPercentageToBeReceived
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ChiefExecutiveOfficerMember