Intangible Assets (Details) (USD $)
|
3 Months Ended | 9 Months Ended | 9 Months Ended | 12 Months Ended | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Dec. 31, 2013
|
Sep. 30, 2014
License agreements
|
Dec. 31, 2013
License agreements
|
Sep. 30, 2014
License agreements
Minimum
|
Sep. 30, 2014
License agreements
Maximum
|
Sep. 30, 2014
Patents
|
Dec. 31, 2013
Patents
|
|
Intangible assets consist of: | |||||||||||
Finite-lived intangible assets, gross | $ 838,586 | $ 816,300 | $ 79,721 | $ 62,553 | |||||||
Less: accumulated amortization | (341,925) | (341,925) | (308,457) | ||||||||
Intangible assets, net | 576,382 | 576,382 | 570,396 | ||||||||
Amortization period of intangible assets | 17 years | 20 years | 3 years | ||||||||
Non-amortizable pending costs | 79,721 | ||||||||||
Amortization of intangible assets | $ 11,000 | $ 15,000 | $ 33,468 | $ 44,176 |