XML 83 R49.htm IDEA: XBRL DOCUMENT v2.4.1.9
Income Taxes Other information (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Tax (Textual) [Abstract]      
Income taxes paid $ 200,000us-gaap_IncomeTaxesPaid $ 200,000us-gaap_IncomeTaxesPaid $ 200,000us-gaap_IncomeTaxesPaid
Income tax refunds received 100,000us-gaap_ProceedsFromIncomeTaxRefunds 700,000us-gaap_ProceedsFromIncomeTaxRefunds 3,400,000us-gaap_ProceedsFromIncomeTaxRefunds
Increase in deferred tax asset valuation allowance 800,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount 1,600,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount  
Operating Loss Carryforwards [Line Items]      
Tax Adjustments, Settlements, and Unusual Provisions 1,300,000laws_Proposedincometaxadjustment    
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance at beginning of year 2,678,000us-gaap_UnrecognizedTaxBenefits 2,127,000us-gaap_UnrecognizedTaxBenefits  
Additions for tax positions of current year 287,000us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions 462,000us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions  
Additions for tax positions of prior years 133,000us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions 89,000us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions  
Reductions for tax positions of prior years (134,000)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions  
Balance at end of year 2,964,000us-gaap_UnrecognizedTaxBenefits 2,678,000us-gaap_UnrecognizedTaxBenefits 2,127,000us-gaap_UnrecognizedTaxBenefits
State      
Operating Loss Carryforwards [Line Items]      
Net operating loss carryforwards 50,300,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_StateAndLocalJurisdictionMember		    
Foreign      
Operating Loss Carryforwards [Line Items]      
Tax credit carryforwards 500,000us-gaap_TaxCreditCarryforwardAmount
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember		    
US Federal      
Operating Loss Carryforwards [Line Items]      
Net operating loss carryforwards $ 52,500,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_InternalRevenueServiceIRSMember