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Derivative liabilities (Tables)
12 Months Ended
Jun. 30, 2017
Derivative Liabilities Tables  
Schedule of changes in derivative liability

Convertible Notes:

 

   June 30, 2017
Annual dividend yield   —   
Expected life (years)   0.47 
Risk-free interest rate   1.08%
Expected volatility   103%

 

Convertible Notes:

 

   June 30, 2016
Annual dividend yield   —   
Expected life (years)   0.01 
Risk-free interest rate   0.21%
Expected volatility   449%