|
3. Summary of Significant Accounting Policies (Details 6) (USD $)
|
Jun. 26, 2013
|
Jun. 06, 2013
|
May 24, 2013
|
Apr. 11, 2013
|
Nov. 10, 2011
|
Jun. 30, 2013
Warrants Revalued [Member]
|
Dec. 31, 2012
Warrants Revalued [Member]
|
|---|---|---|---|---|---|---|---|
| Expected life (in months) | 12 months | 12 months | 24 months | 12 months | 60 months | 40 months | 46 months |
| Expected volatility | 189.20% | 209.70% | 170.00% | 206.10% | 104.50% | 111.50% | 146.40% |
| Risk-free interest rate | 0.13% | 0.13% | 0.27% | 0.10% | 8.75% | 0.36% | 0.44% |
| Exercise price | $ 0.17 | $ 0.4 | $ 0.25 | $ 0.14 | $ 0.81 | $ 0.4 | $ 0.4 |
| Fair value per warrant | $ 0.26 | $ 0.25 | $ 0.31 | $ 0.29 | $ 0.54 | $ 0.23 | $ 0.15 |