Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details)

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Intangible Assets (Details) (USD $)
 3 Months Ended 6 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Jun. 30, 2014
Licensing Agreements [Member]
Dec. 31, 2013
Licensing Agreements [Member]
Jun. 30, 2014
Licensing Agreements [Member]
Minimum [Member]
Jun. 30, 2014
Licensing Agreements [Member]
Maximum [Member]
Jun. 30, 2014
Patents [Member]
Dec. 31, 2013
Patents [Member]
Intangible assets consist of:                      
Finite-lived intangible assets, gross           $ 830,122 $ 816,300     $ 79,036 $ 62,553
Less: accumulated amortization (330,556)   (330,556)   (308,457)            
Intangible assets, net 578,602   578,602   570,396            
Amortization period of intangible assets               17 years 20 years 3 years  
Non-amortizable pending costs                     79,036
Amortization of intangible assets $ 11,000 $ 15,000 $ 22,099 $ 29,405