CONVERTIBLE NOTES - Bridge Notes (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | |||
---|---|---|---|---|
Mar. 26, 2020 |
Mar. 25, 2020 |
Dec. 31, 2020 |
Dec. 31, 2021 |
|
Debt Instrument [Line Items] | ||||
Loss on extinguishment of convertible notes | $ (1,225) | |||
Convertible notes | 0 | $ 0 | ||
April 2019 Bridge Notes And May 2019 Bridge Notes | ||||
Debt Instrument [Line Items] | ||||
Guaranteed interest period | 18 months | 12 months | ||
April 2019 Bridge Notes And May 2019 Bridge Notes | Convertible Debt [Member] | Amendment Agreement | ||||
Debt Instrument [Line Items] | ||||
Floor price | $ 0.40 | $ 2.25 | ||
Debt premium on debt | 800 | |||
Loss on extinguishment of convertible notes | 1,200 | |||
Convertible Bridge Loan | Convertible Debt [Member] | ||||
Debt Instrument [Line Items] | ||||
Warrant liability canceled due to settlement of equity instruments | $ 2,200 | |||
Number of shares converted from debt instrument (in shares) | 3,908,145 |