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Summary of Significant Accounting Policies (Details 4) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Schedule of Intangible assets
Gross Carrying Amount	$ 960	$ 960
Accumulated Amortization	307	215
Net Carrying Amount	653	745
Patents [Member]
Schedule of Intangible assets
Gross Carrying Amount	720	720
Accumulated Amortization	271	187
Net Carrying Amount	449	533
Amortization Life
Customer Relations [Member]
Schedule of Intangible assets
Gross Carrying Amount	240	240
Accumulated Amortization	36	28
Net Carrying Amount	$ 204	$ 212
Amortization Life	13 years 4 months 24 days

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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