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FAIR VALUE MEASUREMENT (Tables)
6 Months Ended
Jun. 30, 2018
Fair Value Measurements, Recurring and Nonrecurring The values of these notes were estimated by implementing the binomial model. The liability component was valued based on the Income Approach. The following parameters were used:
 
 
 
2016 Notes
 
Stock price (USD)
 
 
0.43
 
Expected term (years)
 
 
3.38
 
Risk free rate
 
 
2.63%
 
Volatility
 
 
71.89%
 
Yield
 
 
13.17%