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STOCKHOLDERS' EQUITY (Details) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($) $ / shares shares | Dec. 29, 2020 $ / shares | Dec. 31, 2019 $ / shares shares | May 01, 2019 Vote shares | Apr. 30, 2019 $ / shares shares
Class of Stock [Line Items] |  |  |  |  |  |
Ordinary shares, authorized | shares |  | 500,000,000 |  | 200,000,000 |  |
Ordinary shares, par value (in dollars per share) | $ / shares |  | $ 0.0001 |  | $ 0.0001 |  |
Preferred shares, authorized | shares |  | 6,000 |  |  |  |
Preferred shares, par value (in dollars per share) | $ / shares |  | $ 0.0001 |  | $ 0.0001 |  |
Preferred shares, issued | shares |  | 3,000 |  | 0 |  |
Total amount of investment agreed | $ | $ 3,000 |  |  |  |  |
Proceeds from investment in convertible preferred shares | $ |  | $ 3,000 |  |  |  |
Exercise price of warrants | $ / shares |  |  | $ 3.00 |  |  |
Kaixin Auto Holdings [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Ordinary shares, authorized | shares |  |  |  |  | 500,000,000 | 200,000,000
Ordinary shares, par value (in dollars per share) | $ / shares |  |  |  |  |  | $ 0.0001
Number of votes | Vote |  |  |  |  | 1 |

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