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Taxes on Income (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Taxes on Income (Details) [Line Items]    
Income (Loss) from Continuing Operations before Income Taxes, Domestic $ 4,700,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic $ 3,100,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax 800,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax  
Operating Loss Carryforwards 295,000us-gaap_OperatingLossCarryforwards  
Preferred Stock Stated Value Per Share (in Dollars per share) $ 2,011tlx_PreferredStockStatedValuePerShare  
Domestic Tax Authority [Member]    
Taxes on Income (Details) [Line Items]    
Operating Loss Carryforwards 10,400,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_DomesticCountryMember
 
CANADA    
Taxes on Income (Details) [Line Items]    
Income (Loss) from Continuing Operations before Income Taxes, Foreign $ 200,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
/ us-gaap_StatementGeographicalAxis
= country_CA
$ 100,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
/ us-gaap_StatementGeographicalAxis
= country_CA