Increase in the annual capital expenditure limit

No definition available.

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- Definition

Investment spending prior to requiring bank approval

+ References

No definition available.

+ Details

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- Definition

Percentage Of Proceeds From Certain Asset Sales Required To Pay Down Term Loan

+ 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.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

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-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

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Period Type:	instant

- Definition

Maximum contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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- Definition

Minimum contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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- Definition

Amount of the required periodic payments including both interest and principal payments.

+ 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

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-Topic 210

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.22)

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-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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

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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

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-Subparagraph (SX 210.5-02.19(b),22(b))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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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

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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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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.4-08.(f))

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-Name Accounting Standards Codification

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (b)

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Short And Long-Term Debt (Narrative) (Details) (USD $)	3 Months Ended	1 Months Ended	0 Months Ended
Short And Long-Term Debt (Narrative) (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2015	Aug. 31, 2011	Feb. 28, 2015	Aug. 13, 2009	Dec. 31, 2014
Short And Long-Term Debt [Line Items]
Line of credit facility, Non-use fee percentage	0.25%
Quarterly installment amounts	$ 250,000us-gaap_DebtInstrumentPeriodicPayment
Percentage of proceeds from certain asset sales required to pay down term loan	100.00%
Federal Funds Rate [Member]
Short And Long-Term Debt [Line Items]
Basis spread on variable rate of debt instruments	0.50%
Domestic Term-Loan [Member]
Short And Long-Term Debt [Line Items]
Loan amount				1,750,000	5,000,000
Seventh Amendment to the Loan and Security Agreement [Member]
Short And Long-Term Debt [Line Items]
Increase in the annual capital expenditure limit		4,500,000
Seventh Amendment to the Loan and Security Agreement [Member] \| Domestic Term-Loan [Member]
Short And Long-Term Debt [Line Items]
Loan amount	5,000,000	5,000,000
Additional term loan facility borrowed		3,250,000
Debt instrument maturity date	Feb. 28, 2019
Domestic Asset-Based Revolving Credit Facility [Member]
Short And Long-Term Debt [Line Items]
Weighted average interest rate of debt instruments	4.39%	4.39%				4.51%
International Credit Facility [Member]
Short And Long-Term Debt [Line Items]
Amount outstanding	915,000	915,000				920,000
Remaining borrowing capacity under credit facility	878,000	878,000				956,000
Weighted average interest rate of debt instruments	3.38%	3.38%				4.50%
Minimum interest rate of debt instruments			0.75%
Maximum interest rate of debt instruments			2.50%
Minimum [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Short And Long-Term Debt [Line Items]
Basis spread on variable rate of debt instruments	2.50%
Minimum [Member] \| Federal Funds Rate [Member]
Short And Long-Term Debt [Line Items]
Basis spread on variable rate of debt instruments	(0.25%)
Maximum [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Short And Long-Term Debt [Line Items]
Basis spread on variable rate of debt instruments	4.00%
Maximum [Member] \| Federal Funds Rate [Member]
Short And Long-Term Debt [Line Items]
Basis spread on variable rate of debt instruments	1.25%
Maximum [Member] \| Seventh Amendment to the Loan and Security Agreement [Member]
Short And Long-Term Debt [Line Items]
Investment spending prior to requiring bank approval		4,000,000
Revolving Credit Facility [Member]
Short And Long-Term Debt [Line Items]
Credit facility, borrowing capacity					8,000,000
Amount outstanding	1,093,000	1,093,000				3,843,000
Remaining borrowing capacity under credit facility	6,341,000	6,341,000				3,456,000
Letters Of Credit [Member]
Short And Long-Term Debt [Line Items]
Credit facility, borrowing capacity					$ 200,000