Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Details)

v2.4.0.8
Intangible Assets (Details) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Intangible Assets    
Less: accumulated amortization $ (261,928) $ (291,658)
Intangible assets, net 573,731 899,480
License agreements [Member]
   
Intangible Assets    
Finite-lived intangible assets, gross 772,230 899,231
Patents [Member]
   
Intangible Assets    
Finite-lived intangible assets, gross $ 63,429 $ 291,907