INCOME TAX - Schedule of Components of Provision for Income Taxes (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Current | ||
| Foreign | $ 0 | $ (140) |
| Deferred | ||
| Federal | 0 | 0 |
| Income tax provision (benefit) as reported | $ 0 | $ (140) |