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Concentrations (Details) (USD $)
 9 Months Ended
Mar. 31, 2015
Customers
Concentration Risk [Line Items]  
Total EMFIDS parts, raw material and packaging purchases made during the period 344,000gltc_TotalEmfidsPartsRawMaterialAndPackagingPurchasesInInventory
Accounts Receivable [Member]  
Concentration Risk [Line Items]  
Number of customers in concentration 2gltc_NumberOfCustomersConsideredConcentrationRisk
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
Accounts Receivable [Member] | Customer One Concentration Risk [Member]  
Concentration Risk [Line Items]  
Concentration risk, percentage 40.10%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= gltc_CustomerOneConcentrationRiskMember
Accounts Receivable [Member] | Customer Two Concentration Risk [Member]  
Concentration Risk [Line Items]  
Concentration risk, percentage 27.60%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= gltc_CustomerTwoConcentrationRiskMember
Sales Revenue [Member]  
Concentration Risk [Line Items]  
Number of customers in concentration 2gltc_NumberOfCustomersConsideredConcentrationRisk
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
Number of products in concentration 2gltc_NumberOfProductsConsideredConcentrationRisk
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
Sales Revenue [Member] | Customer One Concentration Risk [Member]  
Concentration Risk [Line Items]  
Concentration risk, percentage 18.20%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= gltc_CustomerOneConcentrationRiskMember
Sales Revenue [Member] | Customer Two Concentration Risk [Member]  
Concentration Risk [Line Items]  
Concentration risk, percentage 14.90%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= gltc_CustomerTwoConcentrationRiskMember
Sales Revenue [Member] | Fire Ice [Member]  
Concentration Risk [Line Items]  
Concentration risk, percentage 64.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= gltc_FireIceSalesRevenueSegmentMember
Sales Revenue [Member] | Soil 2 O [Member]  
Concentration Risk [Line Items]  
Concentration risk, percentage 34.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= gltc_SoilTwooSalesRevenueSegmentMember
Sales Revenue [Member] | Fire Ice Products [Member]  
Concentration Risk [Line Items]  
Concentration risk, percentage 65.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= gltc_FireIceProductsMember
Sales Revenue [Member] | Fire Ice Home Defense Product [Member]  
Concentration Risk [Line Items]  
Concentration risk, percentage 34.60%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= gltc_FireIceHomeDefenseProductMember
Sales Revenue [Member] | Soil 2 O Traditional Sales [Member]  
Concentration Risk [Line Items]  
Concentration risk, percentage 7.50%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= gltc_SoilTwooTraditionalSalesMember
Sales Revenue [Member] | Soil 2 O Dust Control Products [Member]  
Concentration Risk [Line Items]  
Concentration risk, percentage 92.50%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= gltc_SoilTwooDustControlProductsMember
Sales Revenue [Member] | Soil 2 O Soil Cap product [Member]  
Concentration Risk [Line Items]  
Concentration risk, percentage 25.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= gltc_SoilTwooSoilCapProductMember
Inventory purchases [Member]  
Concentration Risk [Line Items]  
Number of customers in concentration 1gltc_NumberOfCustomersConsideredConcentrationRisk
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_InventoriesMember
Inventory purchases [Member] | Vendor One Concentration Risk [Member]  
Concentration Risk [Line Items]  
Concentration risk, percentage 48.90%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_InventoriesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= gltc_SupplierOneConcentrationRiskMember