Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION - Fair Value Assumptions (Details)

v3.10.0.1
STOCK BASED COMPENSATION - Fair Value Assumptions (Details) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Volatility 105.00%   105.00%  
Expected term (in years) 6 years 6 years 6 years 6 years
Risk-free rate 2.24%   2.24%  
Expected dividend yield 0.00% 0.00% 0.00% 0.00%
Weighted-average grant date fair value per option (in dollars per share) $ 2.24   $ 2.24  
Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Volatility   132.00%   132.00%
Risk-free rate   1.82%   1.82%
Weighted-average grant date fair value per option (in dollars per share)   $ 1.45   $ 1.45
Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Volatility   141.00%   141.00%
Risk-free rate   2.19%   2.19%
Weighted-average grant date fair value per option (in dollars per share)   $ 3.32   $ 3.32