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Patents (Tables)
3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]    
Schedule of Finite-Lived Intangible Assets
Patent intangible assets consist of the following at March 31, 2014:
 
 
 
Weighted
 
Gross
 
 
 
 
 
 
 
 
 
Average
 
Carrying
 
Accumulated
 
Net Carrying
 
 
 
Useful Life
 
Amount
 
Amortization
 
Amount
 
Amortizable intangible assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Patents
 
8.9
 
$
9,455,585
 
$
(585,990)
 
$
8,869,595
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total intangible assets
 
 
 
$
9,455,585
 
$
(585,990)
 
$
8,869,595
Patent intangible assets consist of the following at December 31, 2013:
 
 
 
Weighted
 
Gross
 
 
 
 
 
 
 
 
 
Average
 
Carrying
 
Accumulated
 
Net Carrying
 
 
 
Useful Life
 
Amount
 
Amortization
 
Amount
 
Amortizable intangible assets:
 
 
 
 
 
 
 
 
 
 
 
 
Patents
 
8.6
 
$
9,455,585
 
$
(293,176)
 
$
9,162,409
 
Total intangible assets
 
 
 
$
9,455,585
 
$
(293,176)
 
$
9,162,409