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Credit Facilities and Long-Term Debt, Line of Credit (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Line of Credit Facility [Line Items] |  |
Maximum borrowing capacity | $ 250,000 | $ 200,000
Expiration date | Mar. 01, 2018 |
Reduced unused fee (in hundredths) | 0.25% |
Additional available borrowing capacity | 148,900,000 |
Outstanding borrowings under credit facility | 21,406,000 | 40,453,000
Financial covenants | At any time that our average borrowing availability is less than $25 million, the terms of our restated credit agreement provide for, among other provisions, a financial covenant requiring us, on a consolidated basis, to maintain specified levels of fixed charge coverage at the end of each fiscal quarter (rolling twelve months). |
Capital lease obligations | 75,000 | 195,000
Direct Borrowings [Member] | Minimum [Member] |  |
Line of Credit Facility [Line Items] |  |
Margin on variable rate (in hundredths) | 1.50% |
Direct Borrowings [Member] | Maximum [Member] |  |
Line of Credit Facility [Line Items] |  |
Margin on variable rate (in hundredths) | 2.00% |
Index Loan [Member] | Minimum [Member] |  |
Line of Credit Facility [Line Items] |  |
Margin on variable rate (in hundredths) | 0.50% |
Index Loan [Member] | Maximum [Member] |  |
Line of Credit Facility [Line Items] |  |
Margin on variable rate (in hundredths) | 1.00% |
General Electric Capital Corporation Credit Facility [Member] |  |
Line of Credit Facility [Line Items] |  |
Outstanding borrowings under credit facility | 21,400,000 | 40,400,000
Weighted average interest rate (in hundredths) | 2.00% | 2.70%
General Electric Capital Corporation Credit Facility [Member] | Maximum [Member] |  |
Line of Credit Facility [Line Items] |  |
Conditions for required financial covenants, maximum borrowing availability | 25,000,000 |
General Electric Capital Corporation Credit Facility [Member] | Direct Borrowings [Member] |  |
Line of Credit Facility [Line Items] |  |
Outstanding borrowings under credit facility | 18,000,000 | 25,000,000
Weighted average interest rate (in hundredths) | 1.70% | 2.00%
General Electric Capital Corporation Credit Facility [Member] | Index Loan [Member] |  |
Line of Credit Facility [Line Items] |  |
Outstanding borrowings under credit facility | 3,400,000 | 15,400,000
Weighted average interest rate (in hundredths) | 3.80% | 4.00%
Average daily loan balance outstanding | 4,100,000 | 6,100,000
GE Canada Finance Holding Company Credit Facility [Member] |  |
Line of Credit Facility [Line Items] |  |
Maximum borrowing capacity | 10,000,000 |
Line of Credit [Member] |  |
Line of Credit Facility [Line Items] |  |
Maximum borrowing capacity | $ 10,000,000 |

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- Definition Represents the amount of borrowing availability, below which the Company is subject to financial covenants under the revolving credit facility. + References No definition available. + Details
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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + 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 Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: 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 Average amount borrowed under the credit facility during the period. + References No definition available. + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + 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 The effective interest rate at the end of the reporting period. + 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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- Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the 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 The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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