Intangible Assets (Details) (USD $)	9 Months Ended
Sep. 30, 2012	Dec. 31, 2011
Intangible assets
Gross carrying amount	$ 169,996	$ 169,897
Accumulated amortization	68,988	60,935
Non-compete agreements [Member]
Intangible assets
Average life (years)	3 years
Gross carrying amount	24,000	24,000
Accumulated amortization	24,000	22,387
Patents [Member]
Intangible assets
Average life (years)	17 years
Gross carrying amount	145,996	145,897
Accumulated amortization	$ 44,988	$ 38,548

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant