XML 29 R23.htm IDEA: XBRL DOCUMENT v2.4.0.6
7. Stockholders equity (Details 1)
3 Months Ended
Dec. 31, 2012
Stockholders Equity Details 1  
Expected life (in years) 3 years 8 months 25 days
Weighted average volatility 135.89%
Forfeiture rate 20.00%
Risk-free interest rate 1.06%
Expected dividend rate