|
6. Research and development (Details Narrative) (USD $)
|
3 Months Ended | 181 Months Ended | |
|---|---|---|---|
|
Mar. 31, 2013
|
Mar. 31, 2012
|
Mar. 31, 2013
|
|
| Research and Development Arrangement, Contract to Perform for Others [Line Items] | |||
| Research and development expenses | $ 219,680 | $ 188,591 | $ 8,998,736 |
| License maintenance fee paid | 162,500 | 125,000 | |
|
Temple University Research Development Agreement [Member]
|
|||
| Research and Development Arrangement, Contract to Perform for Others [Line Items] | |||
| Research and development expenses | 46,875 | ||
|
Sponsored Research Agreement [Member]
|
|||
| Research and Development Arrangement, Contract to Perform for Others [Line Items] | |||
| Research and development expenses | 62,500 | ||
| License maintenance fee paid | $ 250,000 | ||