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Loan Agreement Covenant (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Actual Value [Member]  
Loan Agreement [Line Items]  
MinTangibleNetWorth $ 52,828laws_MinTangibleNetWorth
/ laws_DebtCovenantValueAxis
= laws_ActualValueMember
Required Minimum Value [Member]  
Loan Agreement [Line Items]  
MinTangibleNetWorth $ 45,000laws_MinTangibleNetWorth
/ laws_DebtCovenantValueAxis
= laws_RequiredMinimumValueMember
Maximum [Member] | Actual Value [Member]  
Loan Agreement [Line Items]  
Minimum Debt Service Coverage Ratio 2.37laws_MinimumDebtServiceCoverageRatio
/ laws_DebtCovenantValueAxis
= laws_ActualValueMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Maximum [Member] | Required Minimum Value [Member]  
Loan Agreement [Line Items]  
Minimum Debt Service Coverage Ratio 1.10laws_MinimumDebtServiceCoverageRatio
/ laws_DebtCovenantValueAxis
= laws_RequiredMinimumValueMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Minimum [Member] | Actual Value [Member]  
Loan Agreement [Line Items]  
Minimum Debt Service Coverage Ratio 1.00laws_MinimumDebtServiceCoverageRatio
/ laws_DebtCovenantValueAxis
= laws_ActualValueMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Minimum [Member] | Required Minimum Value [Member]  
Loan Agreement [Line Items]  
Minimum Debt Service Coverage Ratio 1.00laws_MinimumDebtServiceCoverageRatio
/ laws_DebtCovenantValueAxis
= laws_RequiredMinimumValueMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember