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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 |  |  | 9,200,000 tgls_ContingentEffectOfUnitPurchaseOptionsToPurchaseUnits |  |
Debt Conversion, Converted Instrument, Warrants or Options Issued |  |  | 200,000 us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1 |  |
Outstanding common stock of Andina Acquisition share |  |  |  |  | 3,647,529 tgls_OutstandingCommonStockOfAndinaAcquisitionShare
Weighted Average Number of Shares Outstanding, Basic, Total | 24,311,199 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 20,567,141 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 24,276,947 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 20,567,141 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 20,567,141 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Unbilled Receivables, Current | $ 16,000,000 us-gaap_UnbilledReceivablesCurrent |  | $ 16,000,000 us-gaap_UnbilledReceivablesCurrent |  | $ 12,000,000 us-gaap_UnbilledReceivablesCurrent
Inventory Valuation Reserves | 1,474,000 us-gaap_InventoryValuationReserves |  | 1,474,000 us-gaap_InventoryValuationReserves |  | 1,438,000 us-gaap_InventoryValuationReserves
Allowance for Doubtful Accounts Receivable, Current | $ 287,000 us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent |  | $ 287,000 us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent |  | $ 403,000 us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period |  |  | 20,045 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |  |
IPO [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Warrant issued |  |  | 4,200,000 tgls_WarrantIssued / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_IPOMember |  |
Private Placement [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Warrant issued |  |  | 4,800,000 tgls_WarrantIssued / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |  |

X
- Definition Represents the contingent number of units excluded from computation of diluted income (loss) per share. + References No definition available. + Details
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- Definition Reflects the carrying value of current portion of Outstanding common stock of Andina Acquisition share as of balance sheet date. + References No definition available. + Details
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- Definition A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The number of warrants issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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