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Loan Agreement Narrative (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Line of Credit Facility [Line Items] |  |  |  |
Secured Debt, Current | $ 0 us-gaap_SecuredDebtCurrent | $ 0 us-gaap_SecuredDebtCurrent | $ 16,078,000 us-gaap_SecuredDebtCurrent |
Credit Facility (Textual) [Abstract] |  |  |  |
Eligible accounts receivables percentage | 80.00%laws_NewCreditFacilityAccountsReceivableBasePercentage |  |  |
Eligible accounts receivables past due days |  | 60 days |  |
Eligible inventory percentage |  | 50.00%laws_NewCreditFacilityInventoryBasePercentage |  |
Eligible inventory expected to be sold period |  | 18 months |  |
Maximum borrowing amount based on inventory |  | 20,000,000 laws_NewCreditFacilityMaximumBorrowingsBasedOnInventory |  |
Credit Facility, remaining borrowing capacity | 31,900,000 us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity | 31,900,000 us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity |  |
Interest Paid |  | 800,000 us-gaap_InterestPaid | 1,100,000 us-gaap_InterestPaid | 700,000 us-gaap_InterestPaid
Weighted average interest rate | 2.94%us-gaap_DebtWeightedAverageInterestRate | 2.94%us-gaap_DebtWeightedAverageInterestRate |  |
Maximum |  |  |  |
Credit Facility (Textual) [Abstract] |  |  |  |
Spread on LIBOR |  | 1.85%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
Dividends restricted amount |  | 7,000,000.0 laws_RestrictedDividends / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
Minimum |  |  |  |
Credit Facility (Textual) [Abstract] |  |  |  |
Spread on LIBOR |  | 1.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Revolving Credit Facility [Member] |  |  |  |
Credit Facility (Textual) [Abstract] |  |  |  |
Credit facility, borrowing capacity | 40,000,000 us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember | 40,000,000 us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember |  |
Letter of Credit [Member] |  |  |  |
Credit Facility (Textual) [Abstract] |  |  |  |
Credit facility, borrowing capacity | $ 10,000,000 us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity / us-gaap_CreditFacilityAxis = us-gaap_LetterOfCreditMember | $ 10,000,000 us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity / us-gaap_CreditFacilityAxis = us-gaap_LetterOfCreditMember |  |

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- Definition New credit facility accounts receivable base past due days. + References No definition available. + Details
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- Definition New credit facility accounts receivable base percentage. + References No definition available. + Details
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- Definition New credit facility inventory base percentage. + References No definition available. + Details
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- Definition New credit facility inventory base selling period. + References No definition available. + Details
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- Definition The maximum borrowings available based on inventory balance under the new credit facility. + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The amount of cash paid for interest during 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 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20 -Article 5 + Details
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