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SUBSEQUENT EVENTS (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | ---
Feb. 09, 2021 | Jan. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Number of shares granted | 665,000 |  |  |
Subsequent Event | Share-based Payment Arrangement, Tranche One |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Number of shares granted | 605,000 |  |  |
Shares exercise price | $ 3.33 |  |  |
Shares vesting period | 3 years |  |  |
Shares expiration period | 10 years |  |  |
Subsequent Event | Share-based Payment Arrangement, Tranche Two |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Number of shares granted | 60,000 |  |  |
Shares exercise price | $ 3.66 |  |  |
Shares vesting period | 3 years |  |  |
Shares expiration period | 5 years |  |  |
Subsequent Event | Share-based Payment Arrangement, Employee |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Number of shares granted | 355,000 |  |  |
Subsequent Event | Share-based Payment Arrangement, Independent Director |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Number of shares granted | 310,000 |  |  |
Subsequent Event | MRMP Stockholders |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Cooperation and support agreement reimbursement, maximum amount |  | $ 300 |  |
Investment in land development partnerships |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Cash distribution from equity method investment |  |  | $ 1,712 | $ 0
Investment in land development partnerships | Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Cash distribution from equity method investment |  | $ 199 |  |

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