Quarterly report pursuant to Section 13 or 15(d)

DEBT - Long-term Debt (Details)

v3.20.1
DEBT - Long-term Debt (Details) - USD ($)
$ / shares in Units, $ in Millions
Apr. 29, 2019
Nov. 08, 2019
Aug. 21, 2019
Exchange Agreement      
Line of Credit Facility [Line Items]      
Warrants issued     650
Warrants exercise price     $ 4.25
Second Exchange Agreement      
Line of Credit Facility [Line Items]      
Aggregate principal amount   $ 24.0  
Issue discount   $ 1.5  
Private placement offering (the "Private Placement") | Securities Purchase Agreement (the "Purchase Agreement")      
Line of Credit Facility [Line Items]      
Aggregate principal amount $ 21.3    
Issue discount 1.3    
Proceeds from private placement $ 20.0