text: The following tables summarise the options issued and awarded and their related grant date, fair value and vesting 
  conditions for the year ended 31 December 2013. No options were issued during the year ended 31 December 2014. 
  
  For options outstanding as at 31 December 2014, the exercise price ranged from A$0.65 to A$0.95 and the weighted 
  average remaining contractual life was 3.5 years. 
  
  Options issued during the year ended 31 December 2013: 
  
  Grant Date 
  1 April 2013 
  24 September 2013 
  Total  Number of Options 
  350,000 
  950,000 
  1,300,000  Estimated Fair Value (US$’000) 
  $ 217 
  $ 475 
  $ 692 
  
  Vesting Conditions 
  
  20% issuance date, 20% first four anniversaries 
  20% issuance date, 20% first four anniversaries 
  
  Share based payments expense related to options is determined pursuant to AASB 2 - Share Based Payments (“AASB 
  2”) / IFRS 2 – Share Based Payments (“IFRS 2”), and is recognised pursuant to the attached vesting conditions. The 
  fair value of the options awarded ranged from A$0.53 to A$0.59 for the year ended 31 December 2013, which were 
  calculated using a Black-Sholes options pricing model. Expected volatilities are based upon the historical volatility 
  of the ordinary shares. Historical data is also used to estimate the probability of option exercise and potential 
  forfeitures. 