Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION (Details)

v3.19.2
STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION (Details) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]        
Volatility (percent) 110.90% 0.00% 113.80% 90.50%
Risk-Free Interest Rate (percent) 1.80% 0.00% 2.50% 2.60%
Expected Term (in years) 5 years 9 months 18 days 0 years 5 years 8 months 12 days 5 years 4 months 24 days
Dividend Rate (percent) 0.00% 0.00% 0.00% 0.00%
Fair Value Per Share on Grant Date (in USD per share) $ 3.31 $ 0.00 $ 4.00 $ 0.30