|
5. Assumptions for fair value of warrants (Details)
|
12 Months Ended |
|---|---|
|
Sep. 30, 2011
|
|
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | |
| Annual dividend yield | |
| Expected life (in years) | 2 months 6 days |
| Risk free interest rate | 0.27% |
| Expected annual volatility | 87.20% |

