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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) (USD $)
Share data in Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impairment of Intangible Assets, Finite-lived $ 0us-gaap_ImpairmentOfIntangibleAssetsFinitelived $ 37,000us-gaap_ImpairmentOfIntangibleAssetsFinitelived
Impairment of Long-Lived Assets to be Disposed of 0us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf 896,000us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
Allowance for Doubtful Accounts Receivable, Current 30,000us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent 16,000us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Research and Development Expense, Total 7,597,000us-gaap_ResearchAndDevelopmentExpense 5,468,000us-gaap_ResearchAndDevelopmentExpense
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 6.95us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 5.29us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Stock Issued During Period Non Convertible Debt 1,000,000,000xgti_StockIssuedDuringPeriodNonConvertibleDebt  
Common Stock Held By Non Affiliates 700,000,000xgti_CommonStockHeldByNonAffiliates  
Allowance for Doubtful Accounts Receivable, Write-offs 257,000us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs 0us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs
Effective Income Tax Rate Reconciliation, Tax Settlement, Domestic, Percent 50.00%us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlementsDomestic  
Warranty Reserves [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Product Warranty Expense 9,000us-gaap_ProductWarrantyExpense
/ us-gaap_ValuationAllowancesAndReservesTypeAxis
= us-gaap_WarrantyReservesMember
8,000us-gaap_ProductWarrantyExpense
/ us-gaap_ValuationAllowancesAndReservesTypeAxis
= us-gaap_WarrantyReservesMember
Maximum [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Revenues $ 1,000,000,000us-gaap_Revenues
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
 
Maximum [Member] | Property, Plant and Equipment [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Property, Plant and Equipment, Useful Life 7 years  
Minimum [Member] | Property, Plant and Equipment [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Property, Plant and Equipment, Useful Life 3 years  
Patents And Licenses [Member] | Maximum [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Finite-Lived Intangible Asset, Useful Life 20 years  
Patents And Licenses [Member] | Minimum [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Finite-Lived Intangible Asset, Useful Life 18 years 6 months