XML 95 R78.htm IDEA: XBRL DOCUMENT v3.7.0.1
WARRANT LIBILITY (Schedule of Assumptions Used to Estimate Fair Value of Warrants Using the Monte Carlo Simulation) (Details) - Warrant [Member] - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Assumptions to estimate the fair value of warrants      
Stock price (in dollars per share) $ 3.20 $ 8.50 $ 7.05
Exercise price (in dollars per share) $ 30.2 $ 30.2 $ 30.2
Annual dividend yield (as a percent) 0.00%
Time to maturity 8 months 12 days 1 year 8 months 12 days 2 years 8 months 12 days
Risk-free interest rate (as a percent) 0.70% 0.93% 0.96%
Expected volatility (as a percent) 42.90% 67.20% 83.00%