NET INCOME (LOSS) PER SHARE - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Earnings Per Share [Abstract] | ||
| Commercialization agreement, exercise price (in dollars per share) | $ 0.0016 | |
| Contingently issuable shares | 392,095 | |
| Basic net income (loss) per share | ||
| Net loss | $ (1,281) | $ (28,144) |
| Weighted average common shares outstanding (in shares) | 43,169,000 | 26,209,000 |
| Basic net loss per share (in dollars per share) | $ (0.03) | $ (1.07) |
| Diluted net income (loss) per share | ||
| Net loss | $ (1,281) | $ (28,144) |
| Weighted average common shares outstanding (in shares) | 43,169,000 | 26,209,000 |
| Denominator for diluted income (loss) per share (in shares) | 43,169,000 | 26,209,000 |
| Add: effect of dilutive securities (in shares) | 0 | 0 |
| Diluted net loss per share (in dollars per share) | $ (0.03) | $ (1.07) |