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Summary of significant accounting policiess (Details Textual) (USD $)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Significant Accounting Policies [Line Items]          
Contingent Effect Of Unit Purchase Options To Purchase Units     9,200,000tgls_ContingentEffectOfUnitPurchaseOptionsToPurchaseUnits    
Debt Conversion, Converted Instrument, Warrants or Options Issued     200,000us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1    
Outstanding common stock of Andina Acquisition share         3,647,529tgls_OutstandingCommonStockOfAndinaAcquisitionShare
Weighted Average Number of Shares Outstanding, Basic, Total 24,311,199us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 20,567,141us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 24,276,947us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 20,567,141us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 20,567,141us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Unbilled Receivables, Current $ 16,000,000us-gaap_UnbilledReceivablesCurrent   $ 16,000,000us-gaap_UnbilledReceivablesCurrent   $ 12,000,000us-gaap_UnbilledReceivablesCurrent
Inventory Valuation Reserves 1,474,000us-gaap_InventoryValuationReserves   1,474,000us-gaap_InventoryValuationReserves   1,438,000us-gaap_InventoryValuationReserves
Allowance for Doubtful Accounts Receivable, Current $ 287,000us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent   $ 287,000us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent   $ 403,000us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period     20,045us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised    
IPO [Member]          
Significant Accounting Policies [Line Items]          
Warrant issued     4,200,000tgls_WarrantIssued
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
   
Private Placement [Member]          
Significant Accounting Policies [Line Items]          
Warrant issued     4,800,000tgls_WarrantIssued
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember