|
Intangible Assets (Details) (USD $)
|
Mar. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Intangible Assets | ||
| Less: accumulated amortization | $ (276,615) | $ (261,928) |
| Intangible assets, net | 590,458 | 573,731 |
|
License agreements [Member]
|
||
| Intangible Assets | ||
| Finite-lived intangible assets, gross | 802,994 | 772,230 |
|
Patents [Member]
|
||
| Intangible Assets | ||
| Finite-lived intangible assets, gross | $ 64,079 | $ 63,429 |
| X | ||||||||||
|
- Definition
Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|