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Patents (Tables)
 3 Months Ended
Mar. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of Intangible Assets

Intangible Assets

The following table summarizes intangible assets

Amortizable intangible assets:March 31, 2015December 31, 2014
Carrying
Amount		Accumulated
Amortization		Carrying
Amount		Accumulative
Amortization
Patents
$
6,745
$
(5,899)
$
6,745
$
(5,812)