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Capital Stock and Warrants: Stock Options: Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Tables)
 12 Months Ended
Jun. 30, 2012
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions:  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

 

Risk free interest rate:

2012:

0.79% - 2.09%

2011:

1.14% - 2.09%

 

 

Dividend yield

2012:

0%

2011:

0%

 

 

Volatility

2012:

95.11% -164.27%

2011:

127.32% - 164.27%

 

 

Weighted average remaining life

2012:

3.59 years

2011:

4.52 years