Contingencies - Accrual for Environmental Remediation (Details) (USD $)	12 Months Ended
Dec. 31, 2014
Environmental remediation accrual at December 31, 2013	$ 39,044
Estimated Costs	300,000
Payments	(57,000)
Environmental remediation accrual at December 31, 2014	265,876
Fremont, NC
Environmental remediation accrual at December 31, 2013	0
Estimated Costs	300,000
Payments	(40,000)
Environmental remediation accrual at December 31, 2014	260,000
Bridgeport, CT
Environmental remediation accrual at December 31, 2013	39,000
Payments	(33,000)
Environmental remediation accrual at December 31, 2014	$ 6,000

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 25

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-URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346

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The Increase or Decrease in the accrual for environmental loss contingencies in the period arising from business acquisitions or divestitures.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 5.Y.Q2)

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The aggregate amount disbursed during the reporting period to settle environmental loss contingencies.

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