Annual report pursuant to Section 13 and 15(d)

LONG-TERM DEBT AND COMMON STOCK WARRANT LIABILITY - Redemption of Senior Secured Notes (Details)

v3.19.1
LONG-TERM DEBT AND COMMON STOCK WARRANT LIABILITY - Redemption of Senior Secured Notes (Details) - Senior Secured Notes - Senior secured notes due 2024
 12 Months Ended
Dec. 31, 2018
On February 2, 2019 to February 1, 2020  
Line of Credit Facility [Line Items]  
Percentage Premium 2.00%
On February 2, 2020 to February 1, 2021  
Line of Credit Facility [Line Items]  
Percentage Premium 1.50%
On February 2, 2021 to February 1, 2022  
Line of Credit Facility [Line Items]  
Percentage Premium 0.50%
On or after February 2, 2022  
Line of Credit Facility [Line Items]  
Percentage Premium 0.00%